./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/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 0140910feaef212f3eb8993aa9e49d2064d898fa ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:27:49,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:27:49,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:27:49,360 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:27:49,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:27:49,361 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:27:49,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:27:49,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:27:49,365 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:27:49,366 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:27:49,366 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:27:49,367 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:27:49,367 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:27:49,368 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:27:49,369 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:27:49,369 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:27:49,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:27:49,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:27:49,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:27:49,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:27:49,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:27:49,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:27:49,375 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:27:49,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:27:49,375 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:27:49,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:27:49,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:27:49,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:27:49,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:27:49,378 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:27:49,378 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:27:49,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:27:49,379 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:27:49,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:27:49,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:27:49,381 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:27:49,381 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:27:49,389 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:27:49,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:27:49,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:27:49,390 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:27:49,391 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:27:49,391 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:27:49,391 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:27:49,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:27:49,391 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:27:49,392 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:27:49,393 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:27:49,393 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:27:49,393 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:27:49,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:27:49,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:27:49,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:27:49,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:27:49,395 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:27:49,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:27:49,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:27:49,395 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_42e4c49e-b999-49f6-9055-c04af95b233f/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 -> 0140910feaef212f3eb8993aa9e49d2064d898fa [2018-11-28 13:27:49,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:27:49,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:27:49,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:27:49,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:27:49,432 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:27:49,433 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:27:49,478 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/data/624e24ee4/1f4c5e80aa7d4c5984d3b9750e346062/FLAG022915f51 [2018-11-28 13:27:49,844 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:27:49,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/sv-benchmarks/c/product-lines/minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:27:49,856 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/data/624e24ee4/1f4c5e80aa7d4c5984d3b9750e346062/FLAG022915f51 [2018-11-28 13:27:49,870 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/data/624e24ee4/1f4c5e80aa7d4c5984d3b9750e346062 [2018-11-28 13:27:49,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:27:49,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:27:49,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:27:49,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:27:49,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:27:49,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:27:49" (1/1) ... [2018-11-28 13:27:49,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d9d830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:49, skipping insertion in model container [2018-11-28 13:27:49,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:27:49" (1/1) ... [2018-11-28 13:27:49,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:27:49,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:27:50,136 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:27:50,203 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:27:50,270 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:27:50,288 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:27:50,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50 WrapperNode [2018-11-28 13:27:50,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:27:50,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:27:50,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:27:50,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:27:50,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:27:50,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:27:50,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:27:50,317 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:27:50,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... [2018-11-28 13:27:50,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:27:50,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:27:50,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:27:50,345 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:27:50,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/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 [2018-11-28 13:27:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:27:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:27:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:27:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:27:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:27:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:27:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:27:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:27:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:27:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:27:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:27:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:27:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:27:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:27:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:27:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:27:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:27:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:27:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:27:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:27:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:27:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:27:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:27:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:27:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:27:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:27:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:27:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:27:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:27:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:27:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:27:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:27:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:27:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:27:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:27:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:27:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:27:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:27:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:27:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:27:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:27:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:27:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:27:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:27:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:27:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:27:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:27:50,835 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:27:50,835 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:27:50,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:50 BoogieIcfgContainer [2018-11-28 13:27:50,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:27:50,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:27:50,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:27:50,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:27:50,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:27:49" (1/3) ... [2018-11-28 13:27:50,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25945d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:27:50, skipping insertion in model container [2018-11-28 13:27:50,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:27:50" (2/3) ... [2018-11-28 13:27:50,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25945d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:27:50, skipping insertion in model container [2018-11-28 13:27:50,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:50" (3/3) ... [2018-11-28 13:27:50,842 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:27:50,848 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:27:50,854 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:27:50,864 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:27:50,885 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:27:50,886 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:27:50,886 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:27:50,886 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:27:50,886 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:27:50,886 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:27:50,886 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:27:50,886 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:27:50,886 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:27:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-28 13:27:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 13:27:50,908 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:50,908 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:50,910 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:50,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:50,914 INFO L82 PathProgramCache]: Analyzing trace with hash -616931647, now seen corresponding path program 1 times [2018-11-28 13:27:50,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:50,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:50,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:50,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:50,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:51,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:51,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:27:51,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:27:51,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:27:51,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:27:51,111 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-28 13:27:51,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:51,145 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2018-11-28 13:27:51,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:27:51,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 13:27:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:51,153 INFO L225 Difference]: With dead ends: 284 [2018-11-28 13:27:51,153 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 13:27:51,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:27:51,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 13:27:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 13:27:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 13:27:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2018-11-28 13:27:51,197 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2018-11-28 13:27:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:51,197 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2018-11-28 13:27:51,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:27:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2018-11-28 13:27:51,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 13:27:51,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:51,201 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:51,201 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:51,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:51,202 INFO L82 PathProgramCache]: Analyzing trace with hash -602323533, now seen corresponding path program 1 times [2018-11-28 13:27:51,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:51,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:51,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:51,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:51,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:51,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:51,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:27:51,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:27:51,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:27:51,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:27:51,340 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 7 states. [2018-11-28 13:27:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:51,829 INFO L93 Difference]: Finished difference Result 441 states and 546 transitions. [2018-11-28 13:27:51,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:27:51,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-28 13:27:51,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:51,834 INFO L225 Difference]: With dead ends: 441 [2018-11-28 13:27:51,834 INFO L226 Difference]: Without dead ends: 325 [2018-11-28 13:27:51,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:27:51,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-11-28 13:27:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2018-11-28 13:27:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-28 13:27:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 390 transitions. [2018-11-28 13:27:51,870 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 390 transitions. Word has length 64 [2018-11-28 13:27:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:51,871 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 390 transitions. [2018-11-28 13:27:51,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:27:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 390 transitions. [2018-11-28 13:27:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 13:27:51,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:51,873 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:51,873 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:51,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:51,874 INFO L82 PathProgramCache]: Analyzing trace with hash 144664779, now seen corresponding path program 1 times [2018-11-28 13:27:51,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:51,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:51,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:51,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:51,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:27:51,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:51,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:27:51,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:27:51,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:27:51,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:27:51,999 INFO L87 Difference]: Start difference. First operand 317 states and 390 transitions. Second operand 7 states. [2018-11-28 13:27:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:52,539 INFO L93 Difference]: Finished difference Result 830 states and 1130 transitions. [2018-11-28 13:27:52,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:27:52,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-28 13:27:52,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:52,545 INFO L225 Difference]: With dead ends: 830 [2018-11-28 13:27:52,545 INFO L226 Difference]: Without dead ends: 541 [2018-11-28 13:27:52,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:27:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-11-28 13:27:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 461. [2018-11-28 13:27:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-11-28 13:27:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 583 transitions. [2018-11-28 13:27:52,596 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 583 transitions. Word has length 70 [2018-11-28 13:27:52,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:52,597 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 583 transitions. [2018-11-28 13:27:52,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:27:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 583 transitions. [2018-11-28 13:27:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 13:27:52,600 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:52,600 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:52,600 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:52,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:52,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1119601642, now seen corresponding path program 1 times [2018-11-28 13:27:52,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:52,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:52,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:52,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:52,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:52,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:52,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:52,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:27:52,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:27:52,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:27:52,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:27:52,714 INFO L87 Difference]: Start difference. First operand 461 states and 583 transitions. Second operand 4 states. [2018-11-28 13:27:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:52,916 INFO L93 Difference]: Finished difference Result 1674 states and 2324 transitions. [2018-11-28 13:27:52,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:27:52,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-11-28 13:27:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:52,922 INFO L225 Difference]: With dead ends: 1674 [2018-11-28 13:27:52,922 INFO L226 Difference]: Without dead ends: 1241 [2018-11-28 13:27:52,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:27:52,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2018-11-28 13:27:52,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1215. [2018-11-28 13:27:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2018-11-28 13:27:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1651 transitions. [2018-11-28 13:27:52,979 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1651 transitions. Word has length 92 [2018-11-28 13:27:52,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:52,979 INFO L480 AbstractCegarLoop]: Abstraction has 1215 states and 1651 transitions. [2018-11-28 13:27:52,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:27:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1651 transitions. [2018-11-28 13:27:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 13:27:52,981 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:52,981 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:52,982 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:52,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:52,982 INFO L82 PathProgramCache]: Analyzing trace with hash -605879255, now seen corresponding path program 1 times [2018-11-28 13:27:52,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:52,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:52,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:52,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:52,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:53,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:53,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:27:53,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:27:53,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:27:53,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:27:53,045 INFO L87 Difference]: Start difference. First operand 1215 states and 1651 transitions. Second operand 6 states. [2018-11-28 13:27:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:53,099 INFO L93 Difference]: Finished difference Result 2432 states and 3412 transitions. [2018-11-28 13:27:53,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:27:53,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-11-28 13:27:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:53,104 INFO L225 Difference]: With dead ends: 2432 [2018-11-28 13:27:53,104 INFO L226 Difference]: Without dead ends: 1245 [2018-11-28 13:27:53,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:27:53,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-28 13:27:53,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1245. [2018-11-28 13:27:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2018-11-28 13:27:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1683 transitions. [2018-11-28 13:27:53,151 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1683 transitions. Word has length 92 [2018-11-28 13:27:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:53,152 INFO L480 AbstractCegarLoop]: Abstraction has 1245 states and 1683 transitions. [2018-11-28 13:27:53,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:27:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1683 transitions. [2018-11-28 13:27:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:27:53,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:53,154 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:53,154 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:53,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:53,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1514998693, now seen corresponding path program 1 times [2018-11-28 13:27:53,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:53,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:53,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:53,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:53,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:53,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:27:53,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:27:53,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:27:53,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:27:53,189 INFO L87 Difference]: Start difference. First operand 1245 states and 1683 transitions. Second operand 3 states. [2018-11-28 13:27:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:53,219 INFO L93 Difference]: Finished difference Result 2035 states and 2582 transitions. [2018-11-28 13:27:53,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:27:53,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-11-28 13:27:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:53,223 INFO L225 Difference]: With dead ends: 2035 [2018-11-28 13:27:53,224 INFO L226 Difference]: Without dead ends: 1110 [2018-11-28 13:27:53,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:27:53,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2018-11-28 13:27:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2018-11-28 13:27:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-11-28 13:27:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1391 transitions. [2018-11-28 13:27:53,262 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1391 transitions. Word has length 88 [2018-11-28 13:27:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:53,262 INFO L480 AbstractCegarLoop]: Abstraction has 1110 states and 1391 transitions. [2018-11-28 13:27:53,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:27:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1391 transitions. [2018-11-28 13:27:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 13:27:53,264 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:53,264 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:53,264 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:53,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:53,264 INFO L82 PathProgramCache]: Analyzing trace with hash 95720619, now seen corresponding path program 1 times [2018-11-28 13:27:53,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:53,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:53,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:53,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:53,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:53,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:27:53,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:27:53,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:27:53,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:27:53,343 INFO L87 Difference]: Start difference. First operand 1110 states and 1391 transitions. Second operand 8 states. [2018-11-28 13:27:53,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:53,387 INFO L93 Difference]: Finished difference Result 2053 states and 2643 transitions. [2018-11-28 13:27:53,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:27:53,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-11-28 13:27:53,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:53,391 INFO L225 Difference]: With dead ends: 2053 [2018-11-28 13:27:53,392 INFO L226 Difference]: Without dead ends: 971 [2018-11-28 13:27:53,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:27:53,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-11-28 13:27:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2018-11-28 13:27:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2018-11-28 13:27:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1194 transitions. [2018-11-28 13:27:53,430 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1194 transitions. Word has length 92 [2018-11-28 13:27:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:53,431 INFO L480 AbstractCegarLoop]: Abstraction has 971 states and 1194 transitions. [2018-11-28 13:27:53,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:27:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1194 transitions. [2018-11-28 13:27:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 13:27:53,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:53,432 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:53,433 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:53,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:53,433 INFO L82 PathProgramCache]: Analyzing trace with hash -195804826, now seen corresponding path program 1 times [2018-11-28 13:27:53,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:53,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:53,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:53,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:27:53,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:27:53,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:27:53,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:27:53,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:27:53,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:27:53,536 INFO L87 Difference]: Start difference. First operand 971 states and 1194 transitions. Second operand 9 states. [2018-11-28 13:27:54,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:54,128 INFO L93 Difference]: Finished difference Result 2646 states and 3414 transitions. [2018-11-28 13:27:54,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 13:27:54,129 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-11-28 13:27:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:54,133 INFO L225 Difference]: With dead ends: 2646 [2018-11-28 13:27:54,134 INFO L226 Difference]: Without dead ends: 1885 [2018-11-28 13:27:54,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:27:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2018-11-28 13:27:54,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1660. [2018-11-28 13:27:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-11-28 13:27:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2011 transitions. [2018-11-28 13:27:54,195 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2011 transitions. Word has length 96 [2018-11-28 13:27:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:54,195 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2011 transitions. [2018-11-28 13:27:54,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:27:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2011 transitions. [2018-11-28 13:27:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 13:27:54,197 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:54,197 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:54,197 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:54,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:54,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2140156209, now seen corresponding path program 1 times [2018-11-28 13:27:54,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:54,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:54,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:54,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:54,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 13:27:54,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:27:54,298 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/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 [2018-11-28 13:27:54,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:54,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:27:54,541 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:27:54,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 13:27:54,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 13:27:54,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 13:27:54,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:27:54,543 INFO L87 Difference]: Start difference. First operand 1660 states and 2011 transitions. Second operand 16 states. [2018-11-28 13:27:55,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:55,249 INFO L93 Difference]: Finished difference Result 3791 states and 4798 transitions. [2018-11-28 13:27:55,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 13:27:55,249 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2018-11-28 13:27:55,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:55,257 INFO L225 Difference]: With dead ends: 3791 [2018-11-28 13:27:55,257 INFO L226 Difference]: Without dead ends: 2335 [2018-11-28 13:27:55,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 13:27:55,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2018-11-28 13:27:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2089. [2018-11-28 13:27:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2018-11-28 13:27:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2501 transitions. [2018-11-28 13:27:55,391 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2501 transitions. Word has length 157 [2018-11-28 13:27:55,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:55,391 INFO L480 AbstractCegarLoop]: Abstraction has 2089 states and 2501 transitions. [2018-11-28 13:27:55,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 13:27:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2501 transitions. [2018-11-28 13:27:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-28 13:27:55,398 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:55,398 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 13:27:55,398 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:55,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:55,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1424696726, now seen corresponding path program 1 times [2018-11-28 13:27:55,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:55,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:55,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:55,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:55,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 93 proven. 16 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-28 13:27:55,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:27:55,558 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/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 [2018-11-28 13:27:55,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:55,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-28 13:27:55,888 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:27:55,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-28 13:27:55,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 13:27:55,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 13:27:55,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-28 13:27:55,890 INFO L87 Difference]: Start difference. First operand 2089 states and 2501 transitions. Second operand 18 states. [2018-11-28 13:27:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:57,491 INFO L93 Difference]: Finished difference Result 5685 states and 7175 transitions. [2018-11-28 13:27:57,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 13:27:57,492 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 277 [2018-11-28 13:27:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:57,499 INFO L225 Difference]: With dead ends: 5685 [2018-11-28 13:27:57,499 INFO L226 Difference]: Without dead ends: 3072 [2018-11-28 13:27:57,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 13:27:57,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2018-11-28 13:27:57,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 2872. [2018-11-28 13:27:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2872 states. [2018-11-28 13:27:57,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 3380 transitions. [2018-11-28 13:27:57,606 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 3380 transitions. Word has length 277 [2018-11-28 13:27:57,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:57,607 INFO L480 AbstractCegarLoop]: Abstraction has 2872 states and 3380 transitions. [2018-11-28 13:27:57,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 13:27:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 3380 transitions. [2018-11-28 13:27:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-28 13:27:57,612 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:27:57,612 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:27:57,613 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:27:57,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:27:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash 2122842155, now seen corresponding path program 1 times [2018-11-28 13:27:57,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:27:57,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:27:57,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:57,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:57,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:27:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2018-11-28 13:27:57,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:27:57,715 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:27:57,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:27:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:27:57,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:27:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-28 13:27:57,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:27:57,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2018-11-28 13:27:57,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:27:57,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:27:57,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:27:57,948 INFO L87 Difference]: Start difference. First operand 2872 states and 3380 transitions. Second operand 10 states. [2018-11-28 13:27:58,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:27:58,028 INFO L93 Difference]: Finished difference Result 3288 states and 3855 transitions. [2018-11-28 13:27:58,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:27:58,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 336 [2018-11-28 13:27:58,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:27:58,029 INFO L225 Difference]: With dead ends: 3288 [2018-11-28 13:27:58,029 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:27:58,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:27:58,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:27:58,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:27:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:27:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:27:58,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2018-11-28 13:27:58,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:27:58,034 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:27:58,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:27:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:27:58,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:27:58,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:27:58,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:58,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:27:59,393 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-11-28 13:27:59,896 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-11-28 13:28:00,081 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-11-28 13:28:00,372 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 40 [2018-11-28 13:28:00,990 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2018-11-28 13:28:01,130 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2018-11-28 13:28:01,511 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-28 13:28:01,824 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-11-28 13:28:01,826 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2018-11-28 13:28:01,826 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2018-11-28 13:28:01,826 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-28 13:28:01,826 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2018-11-28 13:28:01,826 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-28 13:28:01,826 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse7 .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3))) [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 994) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (let ((.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse3) (or .cse2 .cse0 .cse6 .cse4 .cse3) (or .cse2 .cse0 .cse6 .cse1) (or .cse5 (or .cse6 (or .cse2 .cse1))))) [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 997) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2018-11-28 13:28:01,827 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2018-11-28 13:28:01,827 INFO L444 ceAbstractionStarter]: At program point L354-1(line 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 348 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point L360-1(line 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 365) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 262) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 2))) (.cse6 (= |old(~systemActive~0)| 0))) (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not .cse6)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (or .cse1 .cse7)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse2) (or .cse3 .cse5 .cse4) (or (or (or .cse6 .cse7) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse5 .cse0)))) [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2018-11-28 13:28:01,828 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-28 13:28:01,828 INFO L451 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2018-11-28 13:28:01,829 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,829 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2018-11-28 13:28:01,829 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2018-11-28 13:28:01,830 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2018-11-28 13:28:01,830 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2018-11-28 13:28:01,830 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-28 13:28:01,830 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-28 13:28:01,830 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2018-11-28 13:28:01,831 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 13:28:01,831 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-28 13:28:01,831 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2018-11-28 13:28:01,831 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 388) no Hoare annotation was computed. [2018-11-28 13:28:01,831 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 372 437) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,831 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2018-11-28 13:28:01,831 INFO L444 ceAbstractionStarter]: At program point L430(lines 381 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:28:01,831 INFO L444 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse0 .cse1))) [2018-11-28 13:28:01,831 INFO L448 ceAbstractionStarter]: For program point L418(lines 418 424) no Hoare annotation was computed. [2018-11-28 13:28:01,831 INFO L444 ceAbstractionStarter]: At program point L418-1(lines 412 425) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse5 .cse3) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (= ~pumpRunning~0 1) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse4 .cse3))) [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L383(lines 382 429) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 425) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse4 .cse3 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse2 .cse3))) [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L444 ceAbstractionStarter]: At program point L427(lines 382 429) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse3 .cse6 .cse5))) [2018-11-28 13:28:01,832 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1))) (let ((.cse6 (= 0 ~systemActive~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (and .cse3 .cse1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse4 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse6 .cse2 .cse5) (and .cse4 .cse7 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse7 .cse2 .cse5)))) [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2018-11-28 13:28:01,832 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-28 13:28:01,833 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-28 13:28:01,833 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L451 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 287) no Hoare annotation was computed. [2018-11-28 13:28:01,834 INFO L451 ceAbstractionStarter]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2018-11-28 13:28:01,834 INFO L448 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L451 ceAbstractionStarter]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2018-11-28 13:28:01,835 INFO L451 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L451 ceAbstractionStarter]: At program point L294(lines 269 298) the Hoare annotation is: true [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse9)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse6 .cse5) (or (and (= ~pumpRunning~0 1) .cse9) (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse7 .cse0 .cse2 .cse5 .cse8) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse6 .cse10 .cse11 .cse5) (or .cse0 .cse2 .cse11 .cse10 .cse5)))) [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse5 .cse6) (or .cse3 .cse1 .cse4 .cse6) (or (or .cse3 .cse2) .cse5)))) [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L444 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0))) (or .cse3 (or .cse0 .cse2) .cse6) (or .cse0 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7)))) [2018-11-28 13:28:01,835 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-28 13:28:01,835 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 13:28:01,836 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2018-11-28 13:28:01,836 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse0) (or .cse0 .cse5 .cse6 .cse3 .cse2) (or .cse5 (or .cse4 .cse3) .cse6 .cse0) (or .cse0 (or .cse3 .cse1) .cse6 .cse2))) [2018-11-28 13:28:01,836 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2018-11-28 13:28:01,837 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2018-11-28 13:28:01,837 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2018-11-28 13:28:01,837 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2018-11-28 13:28:01,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:28:01 BoogieIcfgContainer [2018-11-28 13:28:01,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:28:01,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:28:01,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:28:01,847 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:28:01,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:27:50" (3/4) ... [2018-11-28 13:28:01,850 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:28:01,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:28:01,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:28:01,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:28:01,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:28:01,855 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:28:01,856 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:28:01,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:28:01,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:28:01,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:28:01,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 13:28:01,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:28:01,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:28:01,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:28:01,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:28:01,865 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:28:01,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning) [2018-11-28 13:28:01,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:28:01,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_42e4c49e-b999-49f6-9055-c04af95b233f/bin-2019/uautomizer/witness.graphml [2018-11-28 13:28:01,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:28:01,923 INFO L168 Benchmark]: Toolchain (without parser) took 12049.64 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 593.5 MB). Free memory was 950.0 MB in the beginning and 1.4 GB in the end (delta: -455.4 MB). Peak memory consumption was 138.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,923 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:28:01,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:28:01,924 INFO L168 Benchmark]: Boogie Preprocessor took 28.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,924 INFO L168 Benchmark]: RCFGBuilder took 490.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,924 INFO L168 Benchmark]: TraceAbstraction took 11010.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 431.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -312.6 MB). Peak memory consumption was 714.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,924 INFO L168 Benchmark]: Witness Printer took 75.70 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 893.8 kB). Peak memory consumption was 893.8 kB. Max. memory is 11.5 GB. [2018-11-28 13:28:01,926 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 490.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11010.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 431.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -312.6 MB). Peak memory consumption was 714.7 MB. Max. memory is 11.5 GB. * Witness Printer took 75.70 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 893.8 kB). Peak memory consumption was 893.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 11 OverallIterations, 9 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2399 SDtfs, 2586 SDslu, 8072 SDs, 0 SdLazy, 5509 SolverSat, 1269 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 950 GetRequests, 814 SyntacticMatches, 4 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2872occurred 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: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 785 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5152 PreInvPairs, 5337 NumberOfFragments, 2320 HoareAnnotationTreeSize, 5152 FomulaSimplifications, 13376 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 26417 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2193 NumberOfCodeBlocks, 2193 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2179 ConstructedInterpolants, 0 QuantifiedInterpolants, 668110 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3452 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 1547/1604 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...