./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8e2fe939766c7a542c760a74550866c5b83d51d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:49:00,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:49:00,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:49:00,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:49:00,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:49:00,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:49:00,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:49:00,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:49:00,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:49:00,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:49:00,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:49:00,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:49:00,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:49:00,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:49:00,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:49:00,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:49:00,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:49:00,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:49:00,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:49:00,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:49:00,296 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:49:00,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:49:00,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:49:00,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:49:00,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:49:00,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:49:00,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:49:00,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:49:00,307 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:49:00,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:49:00,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:49:00,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:49:00,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:49:00,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:49:00,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:49:00,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:49:00,311 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:49:00,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:49:00,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:49:00,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:49:00,345 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:49:00,346 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:49:00,346 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:49:00,346 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:49:00,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:49:00,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:49:00,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:49:00,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:49:00,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:49:00,351 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:49:00,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:49:00,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:49:00,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:49:00,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:49:00,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:49:00,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:49:00,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:49:00,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:49:00,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:49:00,352 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:49:00,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:49:00,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:49:00,356 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e2fe939766c7a542c760a74550866c5b83d51d [2018-11-28 18:49:00,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:49:00,432 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:49:00,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:49:00,441 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:49:00,442 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:49:00,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:00,506 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eae8601/7ef62a857ae3426cb5a4a527879caca3/FLAG005d907b0 [2018-11-28 18:49:01,050 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:49:01,051 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:01,070 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eae8601/7ef62a857ae3426cb5a4a527879caca3/FLAG005d907b0 [2018-11-28 18:49:01,327 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2eae8601/7ef62a857ae3426cb5a4a527879caca3 [2018-11-28 18:49:01,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:49:01,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:49:01,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:49:01,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:49:01,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:49:01,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:49:01" (1/1) ... [2018-11-28 18:49:01,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460492eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:01, skipping insertion in model container [2018-11-28 18:49:01,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:49:01" (1/1) ... [2018-11-28 18:49:01,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:49:01,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:49:01,859 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:49:01,886 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:49:02,027 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:49:02,151 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:49:02,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02 WrapperNode [2018-11-28 18:49:02,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:49:02,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:49:02,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:49:02,154 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:49:02,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:49:02,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:49:02,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:49:02,214 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:49:02,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... [2018-11-28 18:49:02,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:49:02,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:49:02,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:49:02,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:49:02,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:49:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:49:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:49:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:49:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:49:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:49:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:49:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:49:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:49:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:49:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:49:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:49:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:49:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:49:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:49:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:49:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:49:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:49:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:49:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:49:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:49:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:49:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:49:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:49:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:49:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:49:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:49:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:49:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:49:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:49:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:49:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:49:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:49:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:49:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:49:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:49:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:49:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:49:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:49:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:49:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:49:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:49:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:49:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:49:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:49:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:49:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:49:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:49:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:49:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:49:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:49:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:49:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:49:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:49:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:49:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:49:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:49:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:49:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:49:03,581 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:49:03,581 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:49:03,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:03 BoogieIcfgContainer [2018-11-28 18:49:03,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:49:03,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:49:03,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:49:03,587 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:49:03,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:49:01" (1/3) ... [2018-11-28 18:49:03,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7019eea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:49:03, skipping insertion in model container [2018-11-28 18:49:03,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:49:02" (2/3) ... [2018-11-28 18:49:03,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7019eea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:49:03, skipping insertion in model container [2018-11-28 18:49:03,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:03" (3/3) ... [2018-11-28 18:49:03,592 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:49:03,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:49:03,616 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:49:03,634 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:49:03,678 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:49:03,679 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:49:03,679 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:49:03,679 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:49:03,680 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:49:03,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:49:03,680 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:49:03,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:49:03,680 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:49:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-28 18:49:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:49:03,719 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:03,720 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:03,722 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:03,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:03,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1027884273, now seen corresponding path program 1 times [2018-11-28 18:49:03,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:03,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:03,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:03,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:03,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:04,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:04,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:04,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:49:04,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:49:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:49:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:49:04,080 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-28 18:49:04,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:04,140 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2018-11-28 18:49:04,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:49:04,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 18:49:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:04,158 INFO L225 Difference]: With dead ends: 310 [2018-11-28 18:49:04,158 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 18:49:04,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:49:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 18:49:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-28 18:49:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 18:49:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-28 18:49:04,232 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-11-28 18:49:04,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:04,233 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-28 18:49:04,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:49:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-28 18:49:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 18:49:04,239 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:04,239 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:04,240 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:04,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:04,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1351629168, now seen corresponding path program 1 times [2018-11-28 18:49:04,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:04,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:04,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:04,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:04,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:04,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:04,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:49:04,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:49:04,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:49:04,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:49:04,443 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states. [2018-11-28 18:49:04,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:04,495 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2018-11-28 18:49:04,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:49:04,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 18:49:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:04,500 INFO L225 Difference]: With dead ends: 255 [2018-11-28 18:49:04,500 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 18:49:04,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:49:04,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 18:49:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 18:49:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 18:49:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2018-11-28 18:49:04,525 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2018-11-28 18:49:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:04,525 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2018-11-28 18:49:04,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:49:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2018-11-28 18:49:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:49:04,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:04,529 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:04,530 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:04,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:04,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1448576393, now seen corresponding path program 1 times [2018-11-28 18:49:04,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:04,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:04,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:04,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:04,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:04,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:04,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:49:04,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:49:04,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:49:04,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:04,832 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 7 states. [2018-11-28 18:49:05,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:05,642 INFO L93 Difference]: Finished difference Result 268 states and 313 transitions. [2018-11-28 18:49:05,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:49:05,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 18:49:05,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:05,646 INFO L225 Difference]: With dead ends: 268 [2018-11-28 18:49:05,647 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 18:49:05,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:49:05,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 18:49:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 18:49:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 18:49:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2018-11-28 18:49:05,673 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2018-11-28 18:49:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:05,674 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2018-11-28 18:49:05,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:49:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2018-11-28 18:49:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 18:49:05,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:05,679 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:05,679 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:05,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:05,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1220934222, now seen corresponding path program 1 times [2018-11-28 18:49:05,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:05,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:05,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:05,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:05,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:05,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:05,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:49:05,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:49:05,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:49:05,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:49:05,895 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 5 states. [2018-11-28 18:49:07,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:07,461 INFO L93 Difference]: Finished difference Result 376 states and 449 transitions. [2018-11-28 18:49:07,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:49:07,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-28 18:49:07,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:07,467 INFO L225 Difference]: With dead ends: 376 [2018-11-28 18:49:07,467 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 18:49:07,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:49:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 18:49:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 237. [2018-11-28 18:49:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-28 18:49:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2018-11-28 18:49:07,521 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2018-11-28 18:49:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:07,521 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2018-11-28 18:49:07,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:49:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2018-11-28 18:49:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 18:49:07,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:07,529 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 18:49:07,530 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:07,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:07,530 INFO L82 PathProgramCache]: Analyzing trace with hash -324045848, now seen corresponding path program 1 times [2018-11-28 18:49:07,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:07,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:07,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:07,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:07,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:49:07,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:07,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:49:07,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:49:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:49:07,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:07,693 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 7 states. [2018-11-28 18:49:08,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:08,656 INFO L93 Difference]: Finished difference Result 464 states and 545 transitions. [2018-11-28 18:49:08,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:49:08,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-28 18:49:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:08,663 INFO L225 Difference]: With dead ends: 464 [2018-11-28 18:49:08,664 INFO L226 Difference]: Without dead ends: 255 [2018-11-28 18:49:08,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:49:08,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-11-28 18:49:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 236. [2018-11-28 18:49:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 18:49:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2018-11-28 18:49:08,696 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2018-11-28 18:49:08,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:08,696 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2018-11-28 18:49:08,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:49:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2018-11-28 18:49:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:08,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:08,699 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:08,699 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:08,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:08,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1451774325, now seen corresponding path program 1 times [2018-11-28 18:49:08,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:08,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:08,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:08,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:08,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:08,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:08,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:49:08,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:49:08,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:49:08,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:49:08,862 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 6 states. [2018-11-28 18:49:08,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:08,912 INFO L93 Difference]: Finished difference Result 451 states and 522 transitions. [2018-11-28 18:49:08,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:49:08,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-28 18:49:08,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:08,916 INFO L225 Difference]: With dead ends: 451 [2018-11-28 18:49:08,916 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 18:49:08,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:49:08,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 18:49:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2018-11-28 18:49:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-28 18:49:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2018-11-28 18:49:08,939 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2018-11-28 18:49:08,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:08,940 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2018-11-28 18:49:08,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:49:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2018-11-28 18:49:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:08,942 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:08,942 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:08,943 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:08,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:08,943 INFO L82 PathProgramCache]: Analyzing trace with hash 476498377, now seen corresponding path program 1 times [2018-11-28 18:49:08,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:08,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:08,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:08,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:08,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:09,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:09,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:49:09,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:49:09,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:49:09,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:49:09,519 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 8 states. [2018-11-28 18:49:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:09,619 INFO L93 Difference]: Finished difference Result 461 states and 533 transitions. [2018-11-28 18:49:09,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:49:09,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-28 18:49:09,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:09,626 INFO L225 Difference]: With dead ends: 461 [2018-11-28 18:49:09,627 INFO L226 Difference]: Without dead ends: 248 [2018-11-28 18:49:09,630 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:49:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-28 18:49:09,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2018-11-28 18:49:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-28 18:49:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2018-11-28 18:49:09,660 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2018-11-28 18:49:09,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:09,662 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2018-11-28 18:49:09,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:49:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2018-11-28 18:49:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:49:09,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:09,666 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:09,666 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:09,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:09,667 INFO L82 PathProgramCache]: Analyzing trace with hash 235958248, now seen corresponding path program 1 times [2018-11-28 18:49:09,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:09,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:09,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:09,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:10,073 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 18:49:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:10,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:10,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:49:10,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:49:10,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:49:10,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:10,087 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 4 states. [2018-11-28 18:49:10,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:10,705 INFO L93 Difference]: Finished difference Result 701 states and 827 transitions. [2018-11-28 18:49:10,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:49:10,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-28 18:49:10,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:10,709 INFO L225 Difference]: With dead ends: 701 [2018-11-28 18:49:10,709 INFO L226 Difference]: Without dead ends: 484 [2018-11-28 18:49:10,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:49:10,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-28 18:49:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 475. [2018-11-28 18:49:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-11-28 18:49:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 550 transitions. [2018-11-28 18:49:10,748 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 550 transitions. Word has length 108 [2018-11-28 18:49:10,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:10,749 INFO L480 AbstractCegarLoop]: Abstraction has 475 states and 550 transitions. [2018-11-28 18:49:10,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:49:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 550 transitions. [2018-11-28 18:49:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 18:49:10,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:10,751 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:10,751 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:10,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -170220190, now seen corresponding path program 1 times [2018-11-28 18:49:10,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:10,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:10,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:10,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:10,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:49:10,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:49:10,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:49:10,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:49:10,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:49:10,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:49:10,947 INFO L87 Difference]: Start difference. First operand 475 states and 550 transitions. Second operand 9 states. [2018-11-28 18:49:12,516 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-28 18:49:12,913 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-28 18:49:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:15,079 INFO L93 Difference]: Finished difference Result 1254 states and 1515 transitions. [2018-11-28 18:49:15,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 18:49:15,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-28 18:49:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:15,092 INFO L225 Difference]: With dead ends: 1254 [2018-11-28 18:49:15,092 INFO L226 Difference]: Without dead ends: 879 [2018-11-28 18:49:15,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:49:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-28 18:49:15,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 798. [2018-11-28 18:49:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-28 18:49:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 913 transitions. [2018-11-28 18:49:15,169 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 913 transitions. Word has length 112 [2018-11-28 18:49:15,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:15,170 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 913 transitions. [2018-11-28 18:49:15,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:49:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 913 transitions. [2018-11-28 18:49:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 18:49:15,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:15,174 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:49:15,174 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:15,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:15,175 INFO L82 PathProgramCache]: Analyzing trace with hash -344611462, now seen corresponding path program 1 times [2018-11-28 18:49:15,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:15,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:15,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:15,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:15,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 18:49:15,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:15,671 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:49:15,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:15,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:49:17,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:49:17,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 18:49:17,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 18:49:17,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 18:49:17,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:49:17,026 INFO L87 Difference]: Start difference. First operand 798 states and 913 transitions. Second operand 16 states. [2018-11-28 18:49:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:20,660 INFO L93 Difference]: Finished difference Result 1808 states and 2145 transitions. [2018-11-28 18:49:20,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-28 18:49:20,661 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-28 18:49:20,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:20,671 INFO L225 Difference]: With dead ends: 1808 [2018-11-28 18:49:20,671 INFO L226 Difference]: Without dead ends: 1108 [2018-11-28 18:49:20,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-28 18:49:20,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-11-28 18:49:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 964. [2018-11-28 18:49:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-11-28 18:49:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1113 transitions. [2018-11-28 18:49:20,764 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1113 transitions. Word has length 174 [2018-11-28 18:49:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:20,765 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1113 transitions. [2018-11-28 18:49:20,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 18:49:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1113 transitions. [2018-11-28 18:49:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-28 18:49:20,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:20,774 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, 4, 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, 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] [2018-11-28 18:49:20,774 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:20,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1489857951, now seen corresponding path program 1 times [2018-11-28 18:49:20,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:20,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:20,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:20,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:20,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-28 18:49:21,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:21,665 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:49:21,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:21,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-28 18:49:22,226 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:49:22,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-28 18:49:22,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 18:49:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 18:49:22,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-28 18:49:22,228 INFO L87 Difference]: Start difference. First operand 964 states and 1113 transitions. Second operand 18 states. [2018-11-28 18:49:28,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:28,253 INFO L93 Difference]: Finished difference Result 2567 states and 3132 transitions. [2018-11-28 18:49:28,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 18:49:28,254 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 307 [2018-11-28 18:49:28,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:28,262 INFO L225 Difference]: With dead ends: 2567 [2018-11-28 18:49:28,262 INFO L226 Difference]: Without dead ends: 1395 [2018-11-28 18:49:28,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-28 18:49:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2018-11-28 18:49:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1277. [2018-11-28 18:49:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2018-11-28 18:49:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1458 transitions. [2018-11-28 18:49:28,362 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1458 transitions. Word has length 307 [2018-11-28 18:49:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:28,363 INFO L480 AbstractCegarLoop]: Abstraction has 1277 states and 1458 transitions. [2018-11-28 18:49:28,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 18:49:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1458 transitions. [2018-11-28 18:49:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-28 18:49:28,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:49:28,372 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-28 18:49:28,373 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:49:28,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:49:28,373 INFO L82 PathProgramCache]: Analyzing trace with hash 405761917, now seen corresponding path program 1 times [2018-11-28 18:49:28,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:49:28,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:49:28,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:28,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:28,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:49:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-28 18:49:29,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:49:29,080 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:49:29,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:49:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:49:29,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:49:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-28 18:49:29,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:49:29,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:49:29,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:49:29,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:49:29,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:49:29,515 INFO L87 Difference]: Start difference. First operand 1277 states and 1458 transitions. Second operand 13 states. [2018-11-28 18:49:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:49:29,608 INFO L93 Difference]: Finished difference Result 1560 states and 1771 transitions. [2018-11-28 18:49:29,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:49:29,609 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 392 [2018-11-28 18:49:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:49:29,610 INFO L225 Difference]: With dead ends: 1560 [2018-11-28 18:49:29,610 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:49:29,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:49:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:49:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:49:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:49:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:49:29,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-28 18:49:29,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:49:29,614 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:49:29,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:49:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:49:29,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:49:29,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:49:29,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:29,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:30,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:49:31,023 WARN L180 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-28 18:49:31,257 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 1 [2018-11-28 18:49:31,467 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2018-11-28 18:49:31,855 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2018-11-28 18:49:32,058 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2018-11-28 18:49:32,396 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-11-28 18:49:32,743 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2018-11-28 18:49:33,157 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-28 18:49:33,425 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-28 18:49:33,630 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 1 [2018-11-28 18:49:33,802 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2018-11-28 18:49:33,988 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2018-11-28 18:49:34,253 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2018-11-28 18:49:34,384 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2018-11-28 18:49:34,487 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-28 18:49:34,694 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2018-11-28 18:49:34,894 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2018-11-28 18:49:35,041 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2018-11-28 18:49:35,237 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 18 [2018-11-28 18:49:35,346 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2018-11-28 18:49:35,813 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2018-11-28 18:49:36,088 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-28 18:49:36,190 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-11-28 18:49:36,367 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-28 18:49:36,367 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-28 18:49:36,367 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 18:49:36,367 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-28 18:49:36,367 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2018-11-28 18:49:36,368 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-28 18:49:36,368 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-11-28 18:49:36,369 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-11-28 18:49:36,370 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse5 .cse4) (or .cse2 .cse0 .cse5 .cse1))) [2018-11-28 18:49:36,370 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 18:49:36,370 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2018-11-28 18:49:36,370 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2018-11-28 18:49:36,370 INFO L451 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2018-11-28 18:49:36,370 INFO L448 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-28 18:49:36,370 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2018-11-28 18:49:36,370 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2018-11-28 18:49:36,371 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,371 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2018-11-28 18:49:36,371 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,371 INFO L444 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,371 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-11-28 18:49:36,371 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2018-11-28 18:49:36,371 INFO L448 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-11-28 18:49:36,371 INFO L444 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,371 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L444 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L451 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: true [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-11-28 18:49:36,372 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2018-11-28 18:49:36,372 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2018-11-28 18:49:36,373 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2018-11-28 18:49:36,373 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-28 18:49:36,373 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-28 18:49:36,373 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,373 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,373 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2018-11-28 18:49:36,373 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2018-11-28 18:49:36,373 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2018-11-28 18:49:36,373 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-28 18:49:36,373 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-28 18:49:36,374 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L444 ceAbstractionStarter]: At program point L833(line 833) 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 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-28 18:49:36,374 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2018-11-28 18:49:36,374 INFO L444 ceAbstractionStarter]: At program point L828(line 828) 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 18:49:36,375 INFO L444 ceAbstractionStarter]: At program point L824(line 824) 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 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (= processEnvironment_~tmp~7 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2018-11-28 18:49:36,375 INFO L444 ceAbstractionStarter]: At program point L820(line 820) 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 18:49:36,375 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 814 838) 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 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:49:36,375 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 18:49:36,376 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 18:49:36,376 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:49:36,376 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-28 18:49:36,376 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-28 18:49:36,376 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,376 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-28 18:49:36,376 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 18:49:36,376 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2018-11-28 18:49:36,376 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-11-28 18:49:36,377 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 18:49:36,385 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-11-28 18:49:36,385 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 18:49:36,385 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-11-28 18:49:36,385 INFO L448 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2018-11-28 18:49:36,385 INFO L444 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:49:36,385 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:49:36,386 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:36,387 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-28 18:49:36,387 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L451 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2018-11-28 18:49:36,390 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-28 18:49:36,390 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-28 18:49:36,391 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-28 18:49:36,391 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:49:36,391 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-11-28 18:49:36,391 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:49:36,391 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-28 18:49:36,391 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-28 18:49:36,391 INFO L444 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-28 18:49:36,391 INFO L448 ceAbstractionStarter]: For program point L760(lines 756 778) no Hoare annotation was computed. [2018-11-28 18:49:36,391 INFO L448 ceAbstractionStarter]: For program point L758(lines 756 778) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L451 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2018-11-28 18:49:36,392 INFO L451 ceAbstractionStarter]: At program point L595(lines 570 599) the Hoare annotation is: true [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2018-11-28 18:49:36,392 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-28 18:49:36,396 INFO L451 ceAbstractionStarter]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2018-11-28 18:49:36,396 INFO L448 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-11-28 18:49:36,396 INFO L451 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2018-11-28 18:49:36,396 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 18:49:36,396 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:49:36,396 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:49:36,396 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) 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 18:49:36,396 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:49:36,396 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:49:36,397 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2018-11-28 18:49:36,397 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2018-11-28 18:49:36,397 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:49:36,397 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 18:49:36,397 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:49:36,397 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:49:36,397 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 18:49:36,397 INFO L444 ceAbstractionStarter]: At program point L798(line 798) 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 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-28 18:49:36,397 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-28 18:49:36,397 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:49:36,401 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 18:49:36,401 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 18:49:36,401 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-28 18:49:36,401 INFO L444 ceAbstractionStarter]: At program point L807(line 807) 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 18:49:36,401 INFO L448 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-28 18:49:36,401 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:49:36,401 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-11-28 18:49:36,402 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2018-11-28 18:49:36,402 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2018-11-28 18:49:36,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:49:36 BoogieIcfgContainer [2018-11-28 18:49:36,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:49:36,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:49:36,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:49:36,429 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:49:36,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:49:03" (3/4) ... [2018-11-28 18:49:36,434 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:49:36,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:49:36,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:49:36,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 18:49:36,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 18:49:36,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:49:36,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:49:36,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:49:36,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:49:36,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:49:36,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:49:36,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:49:36,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:49:36,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:49:36,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:49:36,469 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 18:49:36,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:49:36,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:49:36,472 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:49:36,473 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:49:36,473 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:49:36,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-28 18:49:36,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:49:36,594 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:49:36,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:49:36,596 INFO L168 Benchmark]: Toolchain (without parser) took 35265.31 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 451.4 MB). Free memory was 944.6 MB in the beginning and 881.4 MB in the end (delta: 63.2 MB). Peak memory consumption was 514.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,598 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:49:36,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,599 INFO L168 Benchmark]: Boogie Preprocessor took 63.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,599 INFO L168 Benchmark]: RCFGBuilder took 1304.95 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: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,601 INFO L168 Benchmark]: TraceAbstraction took 32844.86 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 317.2 MB). Free memory was 1.1 GB in the beginning and 894.8 MB in the end (delta: 174.8 MB). Peak memory consumption was 503.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,602 INFO L168 Benchmark]: Witness Printer took 166.45 ms. Allocated memory is still 1.5 GB. Free memory was 894.8 MB in the beginning and 881.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:49:36,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 819.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1304.95 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: 44.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32844.86 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 317.2 MB). Free memory was 1.1 GB in the beginning and 894.8 MB in the end (delta: 174.8 MB). Peak memory consumption was 503.2 MB. Max. memory is 11.5 GB. * Witness Printer took 166.45 ms. Allocated memory is still 1.5 GB. Free memory was 894.8 MB in the beginning and 881.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 170 locations, 1 error locations. SAFE Result, 32.7s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 18.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2489 SDtfs, 2250 SDslu, 8318 SDs, 0 SdLazy, 6262 SolverSat, 1088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1063 GetRequests, 924 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=11, 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, 12 MinimizatonAttempts, 395 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1939 PreInvPairs, 2021 NumberOfFragments, 1830 HoareAnnotationTreeSize, 1939 FomulaSimplifications, 12127 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14428 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2536 NumberOfCodeBlocks, 2536 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2521 ConstructedInterpolants, 0 QuantifiedInterpolants, 813064 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3735 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1762/1821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...