./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:20:37,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:20:37,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:20:37,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:20:37,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:20:37,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:20:37,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:20:37,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:20:37,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:20:37,419 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:20:37,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:20:37,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:20:37,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:20:37,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:20:37,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:20:37,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:20:37,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:20:37,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:20:37,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:20:37,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:20:37,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:20:37,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:20:37,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:20:37,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:20:37,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:20:37,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:20:37,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:20:37,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:20:37,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:20:37,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:20:37,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:20:37,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:20:37,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:20:37,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:20:37,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:20:37,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:20:37,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 14:20:37,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:20:37,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:20:37,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:20:37,438 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 14:20:37,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:20:37,438 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:20:37,438 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 14:20:37,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:20:37,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:20:37,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:20:37,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:20:37,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 14:20:37,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:20:37,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:20:37,440 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_876d73f7-4b5d-43b0-bb12-52777027f07d/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-12-08 14:20:37,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:20:37,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:20:37,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:20:37,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:20:37,471 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:20:37,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-08 14:20:37,516 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/data/2ba6b2c34/f2313426bdce40369e878e06ebadaa28/FLAG2c7646918 [2018-12-08 14:20:37,828 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:20:37,828 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-08 14:20:37,835 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/data/2ba6b2c34/f2313426bdce40369e878e06ebadaa28/FLAG2c7646918 [2018-12-08 14:20:37,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/data/2ba6b2c34/f2313426bdce40369e878e06ebadaa28 [2018-12-08 14:20:37,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:20:37,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:20:37,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:20:37,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:20:37,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:20:37,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:20:37" (1/1) ... [2018-12-08 14:20:37,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:37, skipping insertion in model container [2018-12-08 14:20:37,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:20:37" (1/1) ... [2018-12-08 14:20:37,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:20:37,875 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:20:38,022 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:20:38,060 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:20:38,116 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:20:38,132 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:20:38,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38 WrapperNode [2018-12-08 14:20:38,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:20:38,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:20:38,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:20:38,133 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:20:38,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:20:38,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:20:38,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:20:38,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:20:38,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... [2018-12-08 14:20:38,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:20:38,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:20:38,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:20:38,174 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:20:38,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/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 14:20:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 14:20:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 14:20:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:20:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 14:20:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 14:20:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 14:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 14:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:20:38,207 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:20:38,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 14:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 14:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 14:20:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 14:20:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 14:20:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:20:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:20:38,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:20:38,492 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 14:20:38,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:20:38 BoogieIcfgContainer [2018-12-08 14:20:38,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:20:38,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 14:20:38,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 14:20:38,494 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 14:20:38,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 02:20:37" (1/3) ... [2018-12-08 14:20:38,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:20:38, skipping insertion in model container [2018-12-08 14:20:38,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:20:38" (2/3) ... [2018-12-08 14:20:38,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 02:20:38, skipping insertion in model container [2018-12-08 14:20:38,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:20:38" (3/3) ... [2018-12-08 14:20:38,496 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-08 14:20:38,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 14:20:38,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 14:20:38,516 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 14:20:38,534 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 14:20:38,534 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 14:20:38,535 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 14:20:38,535 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 14:20:38,535 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 14:20:38,535 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 14:20:38,535 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 14:20:38,535 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 14:20:38,535 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 14:20:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-08 14:20:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:20:38,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:38,553 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 14:20:38,554 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:38,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:38,557 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-12-08 14:20:38,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:38,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:38,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:38,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:38,694 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 14:20:38,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:38,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 14:20:38,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 14:20:38,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 14:20:38,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 14:20:38,707 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-08 14:20:38,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:38,733 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-12-08 14:20:38,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 14:20:38,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 14:20:38,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:38,741 INFO L225 Difference]: With dead ends: 306 [2018-12-08 14:20:38,741 INFO L226 Difference]: Without dead ends: 155 [2018-12-08 14:20:38,744 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 14:20:38,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-08 14:20:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-08 14:20:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-08 14:20:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-12-08 14:20:38,776 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-12-08 14:20:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:38,776 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-12-08 14:20:38,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 14:20:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-12-08 14:20:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:20:38,778 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:38,778 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] [2018-12-08 14:20:38,779 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:38,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:38,779 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-12-08 14:20:38,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:38,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:38,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:38,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:20:38,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:38,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 14:20:38,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 14:20:38,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 14:20:38,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 14:20:38,831 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-12-08 14:20:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:38,845 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-08 14:20:38,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 14:20:38,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 14:20:38,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:38,847 INFO L225 Difference]: With dead ends: 255 [2018-12-08 14:20:38,847 INFO L226 Difference]: Without dead ends: 146 [2018-12-08 14:20:38,848 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 14:20:38,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-08 14:20:38,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-08 14:20:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-08 14:20:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-12-08 14:20:38,856 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-12-08 14:20:38,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:38,856 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-12-08 14:20:38,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 14:20:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-12-08 14:20:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 14:20:38,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:38,857 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] [2018-12-08 14:20:38,858 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:38,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:38,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-12-08 14:20:38,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:38,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:38,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:38,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:38,927 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 14:20:38,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:38,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:20:38,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:20:38,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:20:38,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:20:38,928 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-12-08 14:20:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:39,108 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-12-08 14:20:39,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:20:39,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 14:20:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:39,110 INFO L225 Difference]: With dead ends: 264 [2018-12-08 14:20:39,110 INFO L226 Difference]: Without dead ends: 146 [2018-12-08 14:20:39,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 14:20:39,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-08 14:20:39,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-08 14:20:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-08 14:20:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-08 14:20:39,118 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-12-08 14:20:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:39,119 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-08 14:20:39,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:20:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-08 14:20:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 14:20:39,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:39,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:20:39,120 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:39,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:39,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-12-08 14:20:39,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:39,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:39,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:39,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:39,174 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 14:20:39,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:39,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 14:20:39,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 14:20:39,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 14:20:39,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 14:20:39,175 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-12-08 14:20:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:39,527 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-12-08 14:20:39,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 14:20:39,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-08 14:20:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:39,529 INFO L225 Difference]: With dead ends: 375 [2018-12-08 14:20:39,529 INFO L226 Difference]: Without dead ends: 257 [2018-12-08 14:20:39,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:20:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-08 14:20:39,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-12-08 14:20:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-12-08 14:20:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-12-08 14:20:39,547 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-12-08 14:20:39,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:39,547 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-12-08 14:20:39,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 14:20:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-12-08 14:20:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 14:20:39,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:39,549 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:20:39,550 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:39,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:39,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-12-08 14:20:39,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:39,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:39,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:39,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:39,629 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 14:20:39,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:39,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:20:39,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:20:39,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:20:39,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:20:39,630 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-12-08 14:20:39,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:39,733 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-12-08 14:20:39,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:20:39,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 14:20:39,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:39,737 INFO L225 Difference]: With dead ends: 643 [2018-12-08 14:20:39,737 INFO L226 Difference]: Without dead ends: 432 [2018-12-08 14:20:39,738 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 14:20:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-12-08 14:20:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-12-08 14:20:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-08 14:20:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-12-08 14:20:39,765 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-12-08 14:20:39,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:39,765 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-12-08 14:20:39,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:20:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-12-08 14:20:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 14:20:39,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:39,767 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:20:39,767 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:39,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:39,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-12-08 14:20:39,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:39,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:39,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:39,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:39,835 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 14:20:39,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:39,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 14:20:39,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 14:20:39,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 14:20:39,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:20:39,836 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-12-08 14:20:40,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:40,161 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-12-08 14:20:40,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 14:20:40,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-08 14:20:40,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:40,163 INFO L225 Difference]: With dead ends: 853 [2018-12-08 14:20:40,163 INFO L226 Difference]: Without dead ends: 455 [2018-12-08 14:20:40,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 14:20:40,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-08 14:20:40,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-12-08 14:20:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-12-08 14:20:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-12-08 14:20:40,178 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-12-08 14:20:40,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:40,179 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-12-08 14:20:40,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 14:20:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-12-08 14:20:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 14:20:40,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:40,180 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, 1, 1, 1, 1, 1, 1, 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 14:20:40,180 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:40,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:40,180 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-12-08 14:20:40,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:40,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:40,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:40,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:20:40,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:40,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 14:20:40,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 14:20:40,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 14:20:40,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 14:20:40,219 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-12-08 14:20:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:40,244 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-12-08 14:20:40,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 14:20:40,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-08 14:20:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:40,246 INFO L225 Difference]: With dead ends: 836 [2018-12-08 14:20:40,247 INFO L226 Difference]: Without dead ends: 439 [2018-12-08 14:20:40,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 14:20:40,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-08 14:20:40,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-12-08 14:20:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-08 14:20:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-12-08 14:20:40,264 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-12-08 14:20:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:40,264 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-12-08 14:20:40,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 14:20:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-12-08 14:20:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 14:20:40,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:40,266 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, 1, 1, 1, 1, 1, 1, 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 14:20:40,266 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:40,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:40,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-12-08 14:20:40,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:40,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:40,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:40,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:20:40,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:40,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 14:20:40,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 14:20:40,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 14:20:40,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:20:40,345 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-12-08 14:20:40,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:40,369 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-12-08 14:20:40,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 14:20:40,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-08 14:20:40,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:40,371 INFO L225 Difference]: With dead ends: 856 [2018-12-08 14:20:40,372 INFO L226 Difference]: Without dead ends: 449 [2018-12-08 14:20:40,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 14:20:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-08 14:20:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-08 14:20:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-08 14:20:40,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-12-08 14:20:40,385 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-12-08 14:20:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:40,385 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-12-08 14:20:40,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 14:20:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-12-08 14:20:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 14:20:40,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:40,387 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, 1, 1, 1, 1, 1, 1, 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 14:20:40,387 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:40,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:40,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-12-08 14:20:40,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:40,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:40,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:40,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 14:20:40,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 14:20:40,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 14:20:40,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 14:20:40,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 14:20:40,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:20:40,431 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-12-08 14:20:40,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:40,569 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-12-08 14:20:40,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 14:20:40,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-08 14:20:40,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:40,571 INFO L225 Difference]: With dead ends: 1306 [2018-12-08 14:20:40,571 INFO L226 Difference]: Without dead ends: 891 [2018-12-08 14:20:40,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 14:20:40,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-12-08 14:20:40,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-12-08 14:20:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-08 14:20:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-12-08 14:20:40,597 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-12-08 14:20:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:40,597 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-12-08 14:20:40,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 14:20:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-12-08 14:20:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 14:20:40,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:40,598 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:20:40,599 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:40,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:40,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-12-08 14:20:40,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:40,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:40,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:40,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 14:20:40,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:20:40,693 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:20:40,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:40,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:20:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:20:40,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:20:40,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 14:20:40,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 14:20:40,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 14:20:40,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 14:20:40,912 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-12-08 14:20:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:41,529 INFO L93 Difference]: Finished difference Result 1691 states and 2002 transitions. [2018-12-08 14:20:41,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 14:20:41,529 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-12-08 14:20:41,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:41,531 INFO L225 Difference]: With dead ends: 1691 [2018-12-08 14:20:41,532 INFO L226 Difference]: Without dead ends: 843 [2018-12-08 14:20:41,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 14:20:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2018-12-08 14:20:41,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2018-12-08 14:20:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-12-08 14:20:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 971 transitions. [2018-12-08 14:20:41,557 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 971 transitions. Word has length 112 [2018-12-08 14:20:41,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:41,558 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 971 transitions. [2018-12-08 14:20:41,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 14:20:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 971 transitions. [2018-12-08 14:20:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 14:20:41,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 14:20:41,560 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 14:20:41,560 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 14:20:41,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:20:41,560 INFO L82 PathProgramCache]: Analyzing trace with hash 627913357, now seen corresponding path program 1 times [2018-12-08 14:20:41,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 14:20:41,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 14:20:41,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:41,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:41,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 14:20:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 14:20:41,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 14:20:41,658 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 14:20:41,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 14:20:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:20:41,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:20:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:20:41,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 14:20:41,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 14:20:41,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 14:20:41,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 14:20:41,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 14:20:41,861 INFO L87 Difference]: Start difference. First operand 843 states and 971 transitions. Second operand 19 states. [2018-12-08 14:20:42,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 14:20:42,412 INFO L93 Difference]: Finished difference Result 1403 states and 1644 transitions. [2018-12-08 14:20:42,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 14:20:42,413 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2018-12-08 14:20:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 14:20:42,413 INFO L225 Difference]: With dead ends: 1403 [2018-12-08 14:20:42,413 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 14:20:42,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 14:20:42,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 14:20:42,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 14:20:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 14:20:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 14:20:42,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-12-08 14:20:42,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 14:20:42,416 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 14:20:42,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 14:20:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 14:20:42,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:20:42,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 14:20:42,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:42,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 14:20:43,131 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-08 14:20:43,935 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-12-08 14:20:44,197 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-12-08 14:20:44,197 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-12-08 14:20:44,197 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-12-08 14:20:44,197 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-12-08 14:20:44,197 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 14:20:44,198 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-08 14:20:44,198 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-12-08 14:20:44,199 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-12-08 14:20:44,199 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,199 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-12-08 14:20:44,200 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-12-08 14:20:44,200 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-12-08 14:20:44,201 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 14:20:44,202 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L451 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2018-12-08 14:20:44,202 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-12-08 14:20:44,202 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 14:20:44,202 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-08 14:20:44,203 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-12-08 14:20:44,203 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-08 14:20:44,203 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-12-08 14:20:44,204 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-12-08 14:20:44,204 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-12-08 14:20:44,204 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-08 14:20:44,204 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-12-08 14:20:44,204 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: true [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 14:20:44,205 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-08 14:20:44,205 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-12-08 14:20:44,206 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-12-08 14:20:44,206 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-12-08 14:20:44,206 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 14:20:44,206 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-12-08 14:20:44,206 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-12-08 14:20:44,206 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-12-08 14:20:44,206 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-12-08 14:20:44,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 02:20:44 BoogieIcfgContainer [2018-12-08 14:20:44,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 14:20:44,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:20:44,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:20:44,213 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:20:44,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:20:38" (3/4) ... [2018-12-08 14:20:44,216 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 14:20:44,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 14:20:44,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 14:20:44,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 14:20:44,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 14:20:44,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 14:20:44,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:20:44,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 14:20:44,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:20:44,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-12-08 14:20:44,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 14:20:44,280 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_876d73f7-4b5d-43b0-bb12-52777027f07d/bin-2019/uautomizer/witness.graphml [2018-12-08 14:20:44,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:20:44,281 INFO L168 Benchmark]: Toolchain (without parser) took 6435.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.9 MB). Free memory was 949.5 MB in the beginning and 1.3 GB in the end (delta: -311.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:20:44,282 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:20:44,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:20:44,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.47 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 14:20:44,282 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 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 14:20:44,282 INFO L168 Benchmark]: RCFGBuilder took 318.27 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:20:44,283 INFO L168 Benchmark]: TraceAbstraction took 5720.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.6 MB). Peak memory consumption was 316.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:20:44,283 INFO L168 Benchmark]: Witness Printer took 67.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:20:44,284 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.47 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 20.64 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 318.27 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5720.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.6 MB). Peak memory consumption was 316.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2243 SDtfs, 1656 SDslu, 8279 SDs, 0 SdLazy, 3518 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 330 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=9, 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, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2004 PreInvPairs, 2092 NumberOfFragments, 1679 HoareAnnotationTreeSize, 2004 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 70 FomulaSimplificationsInter, 6751 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 236209 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1731 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 115/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...