./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_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_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:25:26,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:25:26,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:25:26,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:25:26,461 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:25:26,462 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:25:26,463 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:25:26,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:25:26,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:25:26,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:25:26,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:25:26,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:25:26,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:25:26,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:25:26,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:25:26,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:25:26,469 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:25:26,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:25:26,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:25:26,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:25:26,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:25:26,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:25:26,476 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:25:26,476 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:25:26,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:25:26,477 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:25:26,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:25:26,478 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:25:26,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:25:26,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:25:26,479 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:25:26,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:25:26,480 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:25:26,480 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:25:26,481 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:25:26,481 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:25:26,482 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:25:26,492 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:25:26,492 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:25:26,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:25:26,493 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:25:26,493 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:25:26,493 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:25:26,493 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:25:26,494 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:25:26,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:25:26,495 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:25:26,495 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:25:26,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:25:26,495 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:25:26,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:25:26,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:25:26,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:25:26,496 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:25:26,496 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:25:26,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:25:26,496 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:25:26,496 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:25:26,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:25:26,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:25:26,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:25:26,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:25:26,497 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_64499ee1-24a5-4d09-a781-9da9cdb0f367/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-12-08 16:25:26,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:25:26,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:25:26,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:25:26,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:25:26,533 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:25:26,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-08 16:25:26,568 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/data/8c7e7ee09/7311547b95484b798367bd82b86b0d25/FLAGa39e41f11 [2018-12-08 16:25:27,017 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:25:27,018 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-08 16:25:27,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/data/8c7e7ee09/7311547b95484b798367bd82b86b0d25/FLAGa39e41f11 [2018-12-08 16:25:27,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/data/8c7e7ee09/7311547b95484b798367bd82b86b0d25 [2018-12-08 16:25:27,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:25:27,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:25:27,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:25:27,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:25:27,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:25:27,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,039 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 04:25:27, skipping insertion in model container [2018-12-08 16:25:27,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:25:27,064 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:25:27,208 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:25:27,216 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:25:27,296 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:25:27,310 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:25:27,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27 WrapperNode [2018-12-08 16:25:27,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:25:27,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:25:27,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:25:27,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:25:27,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:25:27,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:25:27,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:25:27,332 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:25:27,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... [2018-12-08 16:25:27,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:25:27,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:25:27,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:25:27,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:25:27,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/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 16:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:25:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:25:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 16:25:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:25:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:25:27,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:25:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 16:25:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 16:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:25:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:25:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:25:27,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:25:27,696 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:25:27,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:25:27 BoogieIcfgContainer [2018-12-08 16:25:27,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:25:27,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:25:27,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:25:27,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:25:27,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:25:27" (1/3) ... [2018-12-08 16:25:27,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c44d699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:25:27, skipping insertion in model container [2018-12-08 16:25:27,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:25:27" (2/3) ... [2018-12-08 16:25:27,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c44d699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:25:27, skipping insertion in model container [2018-12-08 16:25:27,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:25:27" (3/3) ... [2018-12-08 16:25:27,700 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-08 16:25:27,706 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:25:27,711 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:25:27,720 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:25:27,737 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:25:27,737 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:25:27,737 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:25:27,737 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:25:27,738 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:25:27,738 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:25:27,738 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:25:27,738 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:25:27,738 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:25:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-08 16:25:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:25:27,754 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:27,755 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 16:25:27,756 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:27,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:27,759 INFO L82 PathProgramCache]: Analyzing trace with hash -627284051, now seen corresponding path program 1 times [2018-12-08 16:25:27,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:27,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:27,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:27,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:27,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:27,897 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 16:25:27,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:27,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:25:27,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:25:27,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:25:27,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:25:27,910 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-08 16:25:27,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:27,932 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-12-08 16:25:27,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:25:27,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 16:25:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:27,939 INFO L225 Difference]: With dead ends: 258 [2018-12-08 16:25:27,940 INFO L226 Difference]: Without dead ends: 129 [2018-12-08 16:25:27,942 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 16:25:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-08 16:25:27,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-08 16:25:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-08 16:25:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-12-08 16:25:27,972 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-12-08 16:25:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:27,972 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-12-08 16:25:27,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:25:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-12-08 16:25:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:25:27,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:27,974 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] [2018-12-08 16:25:27,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:27,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:27,975 INFO L82 PathProgramCache]: Analyzing trace with hash -831667335, now seen corresponding path program 1 times [2018-12-08 16:25:27,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:27,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:27,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:27,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:27,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:28,029 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 16:25:28,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:28,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:25:28,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:25:28,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:25:28,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:25:28,031 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-12-08 16:25:28,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:28,043 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-12-08 16:25:28,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:25:28,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 16:25:28,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:28,045 INFO L225 Difference]: With dead ends: 207 [2018-12-08 16:25:28,045 INFO L226 Difference]: Without dead ends: 120 [2018-12-08 16:25:28,045 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 16:25:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-08 16:25:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-08 16:25:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-08 16:25:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-08 16:25:28,052 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-12-08 16:25:28,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:28,053 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-08 16:25:28,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:25:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-08 16:25:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:25:28,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:28,054 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:25:28,054 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:28,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:28,054 INFO L82 PathProgramCache]: Analyzing trace with hash 276108552, now seen corresponding path program 1 times [2018-12-08 16:25:28,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:28,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:28,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:28,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:28,125 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 16:25:28,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:28,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:25:28,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:25:28,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:25:28,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:25:28,126 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-12-08 16:25:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:28,266 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-08 16:25:28,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:25:28,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 16:25:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:28,268 INFO L225 Difference]: With dead ends: 216 [2018-12-08 16:25:28,268 INFO L226 Difference]: Without dead ends: 120 [2018-12-08 16:25:28,268 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 16:25:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-08 16:25:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-08 16:25:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-08 16:25:28,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-08 16:25:28,275 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-12-08 16:25:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:28,275 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-08 16:25:28,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:25:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-08 16:25:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 16:25:28,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:28,276 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] [2018-12-08 16:25:28,277 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:28,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:28,277 INFO L82 PathProgramCache]: Analyzing trace with hash 984213394, now seen corresponding path program 1 times [2018-12-08 16:25:28,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:28,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:28,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:28,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:28,355 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 16:25:28,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:28,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:25:28,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:25:28,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:25:28,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:25:28,357 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-12-08 16:25:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:28,655 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2018-12-08 16:25:28,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:25:28,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 16:25:28,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:28,658 INFO L225 Difference]: With dead ends: 322 [2018-12-08 16:25:28,658 INFO L226 Difference]: Without dead ends: 226 [2018-12-08 16:25:28,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 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 16:25:28,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-08 16:25:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2018-12-08 16:25:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-12-08 16:25:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2018-12-08 16:25:28,682 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2018-12-08 16:25:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:28,682 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2018-12-08 16:25:28,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:25:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2018-12-08 16:25:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 16:25:28,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:28,685 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] [2018-12-08 16:25:28,685 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:28,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:28,685 INFO L82 PathProgramCache]: Analyzing trace with hash -13182587, now seen corresponding path program 1 times [2018-12-08 16:25:28,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:28,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:28,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:28,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:28,753 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 16:25:28,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:28,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:25:28,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:25:28,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:25:28,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:25:28,754 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2018-12-08 16:25:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:28,848 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2018-12-08 16:25:28,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:25:28,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 16:25:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:28,851 INFO L225 Difference]: With dead ends: 504 [2018-12-08 16:25:28,851 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 16:25:28,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 16:25:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 16:25:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-12-08 16:25:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-08 16:25:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2018-12-08 16:25:28,875 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2018-12-08 16:25:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:28,875 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2018-12-08 16:25:28,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:25:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2018-12-08 16:25:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:25:28,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:28,877 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 16:25:28,878 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:28,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:28,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1190699199, now seen corresponding path program 1 times [2018-12-08 16:25:28,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:28,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:28,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:28,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:28,956 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 16:25:28,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:28,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:25:28,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:25:28,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:25:28,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:25:28,957 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2018-12-08 16:25:29,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:29,093 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2018-12-08 16:25:29,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:25:29,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 16:25:29,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:29,096 INFO L225 Difference]: With dead ends: 679 [2018-12-08 16:25:29,096 INFO L226 Difference]: Without dead ends: 495 [2018-12-08 16:25:29,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 16:25:29,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-08 16:25:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2018-12-08 16:25:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-08 16:25:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2018-12-08 16:25:29,117 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2018-12-08 16:25:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:29,117 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2018-12-08 16:25:29,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:25:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2018-12-08 16:25:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:25:29,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:29,118 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 16:25:29,118 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:29,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:29,118 INFO L82 PathProgramCache]: Analyzing trace with hash 268015616, now seen corresponding path program 1 times [2018-12-08 16:25:29,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:29,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:29,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:29,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:29,152 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 16:25:29,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:29,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 16:25:29,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 16:25:29,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 16:25:29,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:25:29,152 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2018-12-08 16:25:29,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:29,177 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2018-12-08 16:25:29,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:25:29,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-08 16:25:29,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:29,179 INFO L225 Difference]: With dead ends: 832 [2018-12-08 16:25:29,179 INFO L226 Difference]: Without dead ends: 487 [2018-12-08 16:25:29,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:25:29,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-08 16:25:29,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-08 16:25:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-08 16:25:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2018-12-08 16:25:29,196 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2018-12-08 16:25:29,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:29,197 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2018-12-08 16:25:29,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 16:25:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2018-12-08 16:25:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:25:29,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:29,198 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 16:25:29,198 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:29,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:29,198 INFO L82 PathProgramCache]: Analyzing trace with hash -575989886, now seen corresponding path program 1 times [2018-12-08 16:25:29,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:29,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:29,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:29,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:29,248 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 16:25:29,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:29,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 16:25:29,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:25:29,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:25:29,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:25:29,249 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2018-12-08 16:25:29,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:29,292 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2018-12-08 16:25:29,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:25:29,292 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-08 16:25:29,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:29,294 INFO L225 Difference]: With dead ends: 944 [2018-12-08 16:25:29,294 INFO L226 Difference]: Without dead ends: 487 [2018-12-08 16:25:29,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:25:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-08 16:25:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-08 16:25:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-08 16:25:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2018-12-08 16:25:29,311 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2018-12-08 16:25:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:29,311 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2018-12-08 16:25:29,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:25:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2018-12-08 16:25:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:25:29,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:29,312 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] [2018-12-08 16:25:29,312 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:29,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:29,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1204861054, now seen corresponding path program 1 times [2018-12-08 16:25:29,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:29,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:29,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:29,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:29,379 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 16:25:29,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:25:29,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 16:25:29,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:25:29,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:25:29,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:25:29,380 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2018-12-08 16:25:29,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:29,519 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2018-12-08 16:25:29,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:25:29,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-08 16:25:29,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:29,527 INFO L225 Difference]: With dead ends: 944 [2018-12-08 16:25:29,527 INFO L226 Difference]: Without dead ends: 487 [2018-12-08 16:25:29,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:25:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-08 16:25:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2018-12-08 16:25:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-08 16:25:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2018-12-08 16:25:29,551 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2018-12-08 16:25:29,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:29,552 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2018-12-08 16:25:29,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:25:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2018-12-08 16:25:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:25:29,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:29,554 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-08 16:25:29,554 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:29,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:29,554 INFO L82 PathProgramCache]: Analyzing trace with hash 619957596, now seen corresponding path program 1 times [2018-12-08 16:25:29,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:29,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:29,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:29,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 16:25:29,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:25:29,606 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/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 16:25:29,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:29,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:25:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 16:25:29,817 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:25:29,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-08 16:25:29,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 16:25:29,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 16:25:29,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:25:29,818 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 13 states. [2018-12-08 16:25:30,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:30,765 INFO L93 Difference]: Finished difference Result 1149 states and 1427 transitions. [2018-12-08 16:25:30,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 16:25:30,766 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2018-12-08 16:25:30,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:30,768 INFO L225 Difference]: With dead ends: 1149 [2018-12-08 16:25:30,768 INFO L226 Difference]: Without dead ends: 771 [2018-12-08 16:25:30,769 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-08 16:25:30,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-08 16:25:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 658. [2018-12-08 16:25:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-12-08 16:25:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 748 transitions. [2018-12-08 16:25:30,793 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 748 transitions. Word has length 132 [2018-12-08 16:25:30,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:30,793 INFO L480 AbstractCegarLoop]: Abstraction has 658 states and 748 transitions. [2018-12-08 16:25:30,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 16:25:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 748 transitions. [2018-12-08 16:25:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 16:25:30,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:25:30,794 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-08 16:25:30,795 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:25:30,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:25:30,795 INFO L82 PathProgramCache]: Analyzing trace with hash 538393945, now seen corresponding path program 1 times [2018-12-08 16:25:30,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:25:30,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:25:30,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:30,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:30,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:25:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:25:30,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:25:30,853 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/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 16:25:30,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:25:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:25:30,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:25:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:25:31,022 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:25:31,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-08 16:25:31,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 16:25:31,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 16:25:31,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:25:31,023 INFO L87 Difference]: Start difference. First operand 658 states and 748 transitions. Second operand 15 states. [2018-12-08 16:25:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:25:32,456 INFO L93 Difference]: Finished difference Result 2486 states and 3587 transitions. [2018-12-08 16:25:32,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-08 16:25:32,456 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-12-08 16:25:32,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:25:32,457 INFO L225 Difference]: With dead ends: 2486 [2018-12-08 16:25:32,457 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:25:32,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-08 16:25:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:25:32,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:25:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:25:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:25:32,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-12-08 16:25:32,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:25:32,463 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:25:32,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 16:25:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:25:32,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:25:32,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:25:32,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:32,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:33,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:33,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:25:33,795 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 41 [2018-12-08 16:25:33,902 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2018-12-08 16:25:34,370 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 33 [2018-12-08 16:25:34,756 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 31 [2018-12-08 16:25:35,207 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2018-12-08 16:25:35,591 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2018-12-08 16:25:35,760 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-12-08 16:25:35,760 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-08 16:25:35,760 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-12-08 16:25:35,760 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-12-08 16:25:35,760 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-12-08 16:25:35,760 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-08 16:25:35,760 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-08 16:25:35,760 INFO L444 ceAbstractionStarter]: At program point L127(line 127) 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 16:25:35,761 INFO L444 ceAbstractionStarter]: At program point L126(line 126) 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 16:25:35,761 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 16:25:35,761 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) 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 16:25:35,761 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-08 16:25:35,761 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-08 16:25:35,761 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:25:35,761 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:25:35,761 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-08 16:25:35,761 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-12-08 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-12-08 16:25:35,762 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L451 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-12-08 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-12-08 16:25:35,762 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-12-08 16:25:35,762 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-12-08 16:25:35,763 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-08 16:25:35,763 INFO L448 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 696 759) 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 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-12-08 16:25:35,764 INFO L444 ceAbstractionStarter]: At program point L752(lines 705 753) 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 16:25:35,764 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:25:35,765 INFO L444 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:25:35,765 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-08 16:25:35,766 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L451 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or .cse7 .cse5 .cse3 .cse6)))) [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-12-08 16:25:35,766 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-12-08 16:25:35,766 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-12-08 16:25:35,767 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-12-08 16:25:35,767 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (and .cse1 (<= ~waterLevel~0 0) .cse2) .cse3 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (or .cse2 .cse4 .cse3 .cse0) (or .cse4 .cse1 .cse3 .cse0) (or (= 1 ~waterLevel~0) .cse4 .cse0 (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 16:25:35,767 INFO L444 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or (and .cse0 (<= ~waterLevel~0 0)) .cse1 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (or (or (< 0 |old(~waterLevel~0)|) .cse3 .cse4) .cse0) (or .cse3 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) .cse2 .cse5 .cse4) (or (= 1 ~waterLevel~0) .cse3 .cse4 (not (= |old(~waterLevel~0)| 1))) (or .cse5 .cse1 .cse2 (= 0 ~pumpRunning~0))))) [2018-12-08 16:25:35,767 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse5)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse4) (or .cse6 .cse3 .cse5 .cse7) (or .cse1 .cse3 .cse2 .cse5) (or .cse8 .cse5 .cse7 .cse6)))) [2018-12-08 16:25:35,767 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse3 .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< 0 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) (or (= 1 ~waterLevel~0) .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0)))) [2018-12-08 16:25:35,767 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-12-08 16:25:35,767 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-12-08 16:25:35,767 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-12-08 16:25:35,768 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-12-08 16:25:35,768 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-12-08 16:25:35,768 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (= ~pumpRunning~0 0) .cse2)) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or (<= ~waterLevel~0 2) (< 2 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:25:35,769 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 16:25:35,769 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-08 16:25:35,769 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-12-08 16:25:35,769 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse2 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or (< 0 ~waterLevel~0) .cse0 .cse1) .cse2) (or .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 16:25:35,770 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) .cse1))))) [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) .cse1) (or (or (< 0 |old(~waterLevel~0)|) .cse2 .cse1) .cse0) (or (or (< 1 |old(~waterLevel~0)|) .cse2 .cse1) (<= ~waterLevel~0 1)))) [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-12-08 16:25:35,770 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-12-08 16:25:35,770 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-12-08 16:25:35,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:25:35 BoogieIcfgContainer [2018-12-08 16:25:35,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:25:35,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:25:35,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:25:35,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:25:35,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:25:27" (3/4) ... [2018-12-08 16:25:35,782 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:25:35,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:25:35,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:25:35,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:25:35,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:25:35,793 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 16:25:35,794 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:25:35,794 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:25:35,794 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 16:25:35,794 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:25:35,795 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:25:35,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:25:35,813 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:25:35,841 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_64499ee1-24a5-4d09-a781-9da9cdb0f367/bin-2019/uautomizer/witness.graphml [2018-12-08 16:25:35,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:25:35,841 INFO L168 Benchmark]: Toolchain (without parser) took 8807.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 951.7 MB in the beginning and 913.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 326.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:25:35,842 INFO L168 Benchmark]: CDTParser took 0.11 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 16:25:35,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:25:35,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.50 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 16:25:35,842 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 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 16:25:35,842 INFO L168 Benchmark]: RCFGBuilder took 342.75 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:25:35,842 INFO L168 Benchmark]: TraceAbstraction took 8082.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 130.4 MB). Peak memory consumption was 407.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:25:35,843 INFO L168 Benchmark]: Witness Printer took 61.79 ms. Allocated memory is still 1.3 GB. Free memory was 922.8 MB in the beginning and 913.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:25:35,844 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 275.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.50 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 342.75 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: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8082.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 922.8 MB in the end (delta: 130.4 MB). Peak memory consumption was 407.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.79 ms. Allocated memory is still 1.3 GB. Free memory was 922.8 MB in the beginning and 913.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 8.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772 SDtfs, 1766 SDslu, 5894 SDs, 0 SdLazy, 4747 SolverSat, 1015 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred in iteration=10, 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, 182 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2092 PreInvPairs, 2655 NumberOfFragments, 1525 HoareAnnotationTreeSize, 2092 FomulaSimplifications, 15792 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 59 FomulaSimplificationsInter, 27472 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 211107 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1626 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 102/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...