./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product56_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_spec4_product56_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 210feffc8ddd7d7862cfab969b7a82589a978274 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:46:56,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:56,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:56,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:56,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:56,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:56,326 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:56,327 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:56,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:56,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:56,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:56,331 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:56,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:56,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:56,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:56,335 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:56,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:56,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:56,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:56,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:56,342 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:56,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:56,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:56,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:56,346 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:56,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:56,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:56,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:56,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:56,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:56,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:56,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:56,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:56,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:56,354 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:56,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:56,355 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:56,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:56,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:56,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:56,371 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:56,371 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:56,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:56,372 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:56,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:56,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:56,372 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:56,372 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:56,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:56,373 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:56,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:56,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:56,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:56,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:56,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:56,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:56,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:56,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:56,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:56,375 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:56,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:56,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:56,376 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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2018-11-28 18:46:56,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:56,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:56,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:56,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:56,445 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:56,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:56,502 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3dae3e5/7c91d4574e4043b4911ccf6ba87cf5dc/FLAG298d4727e [2018-11-28 18:46:57,063 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:57,064 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:57,088 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3dae3e5/7c91d4574e4043b4911ccf6ba87cf5dc/FLAG298d4727e [2018-11-28 18:46:57,339 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3dae3e5/7c91d4574e4043b4911ccf6ba87cf5dc [2018-11-28 18:46:57,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:57,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:57,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:57,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:57,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:57,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:57" (1/1) ... [2018-11-28 18:46:57,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed3a214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:57, skipping insertion in model container [2018-11-28 18:46:57,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:57" (1/1) ... [2018-11-28 18:46:57,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:57,425 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:57,815 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:57,835 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:57,949 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:58,091 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:58,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58 WrapperNode [2018-11-28 18:46:58,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:58,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:58,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:58,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:58,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:58,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:58,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:58,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:58,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (1/1) ... [2018-11-28 18:46:58,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:58,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:58,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:58,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:58,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (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 18:46:58,259 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:58,259 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:58,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:58,260 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:46:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:46:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:46:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:46:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:46:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:46:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:46:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:46:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:46:58,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:46:58,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:46:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:46:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:58,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:58,267 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:46:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:46:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:58,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:46:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:46:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:58,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:59,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:59,462 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:59,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:59 BoogieIcfgContainer [2018-11-28 18:46:59,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:59,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:59,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:59,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:59,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:57" (1/3) ... [2018-11-28 18:46:59,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417bf4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:59, skipping insertion in model container [2018-11-28 18:46:59,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:58" (2/3) ... [2018-11-28 18:46:59,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417bf4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:59, skipping insertion in model container [2018-11-28 18:46:59,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:59" (3/3) ... [2018-11-28 18:46:59,473 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:59,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:59,496 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:59,516 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:59,552 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:59,552 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:59,553 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:59,553 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:59,554 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:59,554 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:59,554 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:59,554 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:59,554 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-28 18:46:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:59,589 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:59,590 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:46:59,593 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:59,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1126698558, now seen corresponding path program 1 times [2018-11-28 18:46:59,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:59,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:59,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:59,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:59,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:46:59,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:59,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:59,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:47:00,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:47:00,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:47:00,007 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-28 18:47:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:00,092 INFO L93 Difference]: Finished difference Result 312 states and 385 transitions. [2018-11-28 18:47:00,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:47:00,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:47:00,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:00,115 INFO L225 Difference]: With dead ends: 312 [2018-11-28 18:47:00,116 INFO L226 Difference]: Without dead ends: 156 [2018-11-28 18:47:00,122 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 18:47:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-28 18:47:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-28 18:47:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 18:47:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2018-11-28 18:47:00,227 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 46 [2018-11-28 18:47:00,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:00,228 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2018-11-28 18:47:00,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:47:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2018-11-28 18:47:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:47:00,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:00,235 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:00,235 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:00,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:00,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1204614485, now seen corresponding path program 1 times [2018-11-28 18:47:00,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:00,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:00,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:00,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:00,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:00,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:47:00,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:47:00,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:47:00,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:00,439 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2018-11-28 18:47:00,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:00,489 INFO L93 Difference]: Finished difference Result 251 states and 295 transitions. [2018-11-28 18:47:00,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:47:00,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:47:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:00,493 INFO L225 Difference]: With dead ends: 251 [2018-11-28 18:47:00,493 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 18:47:00,495 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 18:47:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 18:47:00,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 18:47:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 18:47:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2018-11-28 18:47:00,515 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 47 [2018-11-28 18:47:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:00,515 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2018-11-28 18:47:00,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:47:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2018-11-28 18:47:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:47:00,518 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:00,519 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:00,519 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:00,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:00,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2096458553, now seen corresponding path program 1 times [2018-11-28 18:47:00,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:00,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:00,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:00,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:00,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:00,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:47:00,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:47:00,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:47:00,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:47:00,803 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2018-11-28 18:47:02,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:02,647 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2018-11-28 18:47:02,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:47:02,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:47:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:02,653 INFO L225 Difference]: With dead ends: 443 [2018-11-28 18:47:02,656 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 18:47:02,657 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 18:47:02,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 18:47:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2018-11-28 18:47:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-28 18:47:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2018-11-28 18:47:02,711 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 52 [2018-11-28 18:47:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:02,712 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2018-11-28 18:47:02,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:47:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2018-11-28 18:47:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:47:02,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:02,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:02,717 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:02,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:02,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1548962362, now seen corresponding path program 1 times [2018-11-28 18:47:02,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:02,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:02,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:02,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:02,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:02,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:47:02,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:47:02,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:47:02,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:02,980 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 10 states. [2018-11-28 18:47:04,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:04,017 INFO L93 Difference]: Finished difference Result 1112 states and 1444 transitions. [2018-11-28 18:47:04,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:47:04,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 18:47:04,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:04,026 INFO L225 Difference]: With dead ends: 1112 [2018-11-28 18:47:04,027 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 18:47:04,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 18:47:04,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 816. [2018-11-28 18:47:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-28 18:47:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1024 transitions. [2018-11-28 18:47:04,120 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1024 transitions. Word has length 57 [2018-11-28 18:47:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:04,121 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 1024 transitions. [2018-11-28 18:47:04,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:47:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1024 transitions. [2018-11-28 18:47:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:47:04,127 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:04,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:04,127 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:04,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:04,127 INFO L82 PathProgramCache]: Analyzing trace with hash -586678164, now seen corresponding path program 1 times [2018-11-28 18:47:04,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:04,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:04,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:04,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:04,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:04,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:04,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:47:04,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:47:04,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:47:04,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:47:04,365 INFO L87 Difference]: Start difference. First operand 816 states and 1024 transitions. Second operand 4 states. [2018-11-28 18:47:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:05,960 INFO L93 Difference]: Finished difference Result 2011 states and 2749 transitions. [2018-11-28 18:47:05,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:47:05,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 18:47:05,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:05,983 INFO L225 Difference]: With dead ends: 2011 [2018-11-28 18:47:05,983 INFO L226 Difference]: Without dead ends: 1219 [2018-11-28 18:47:05,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:47:05,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2018-11-28 18:47:06,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1081. [2018-11-28 18:47:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2018-11-28 18:47:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1360 transitions. [2018-11-28 18:47:06,104 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1360 transitions. Word has length 61 [2018-11-28 18:47:06,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:06,104 INFO L480 AbstractCegarLoop]: Abstraction has 1081 states and 1360 transitions. [2018-11-28 18:47:06,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:47:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1360 transitions. [2018-11-28 18:47:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:47:06,109 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:06,109 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:06,110 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:06,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:06,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1021030234, now seen corresponding path program 1 times [2018-11-28 18:47:06,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:06,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:06,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:06,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:06,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:47:06,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:06,342 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 18:47:06,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:06,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:47:07,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:07,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:47:07,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:47:07,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:47:07,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:47:07,051 INFO L87 Difference]: Start difference. First operand 1081 states and 1360 transitions. Second operand 12 states. [2018-11-28 18:47:16,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:16,624 INFO L93 Difference]: Finished difference Result 2539 states and 3451 transitions. [2018-11-28 18:47:16,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 18:47:16,625 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-28 18:47:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:16,637 INFO L225 Difference]: With dead ends: 2539 [2018-11-28 18:47:16,638 INFO L226 Difference]: Without dead ends: 1740 [2018-11-28 18:47:16,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 18:47:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-28 18:47:16,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1523. [2018-11-28 18:47:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2018-11-28 18:47:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1941 transitions. [2018-11-28 18:47:16,768 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1941 transitions. Word has length 89 [2018-11-28 18:47:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:16,768 INFO L480 AbstractCegarLoop]: Abstraction has 1523 states and 1941 transitions. [2018-11-28 18:47:16,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:47:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1941 transitions. [2018-11-28 18:47:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 18:47:16,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:16,776 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:16,777 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:16,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:16,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1845583873, now seen corresponding path program 1 times [2018-11-28 18:47:16,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:16,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:16,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:16,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:16,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 18:47:17,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:17,249 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 18:47:17,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:17,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 18:47:17,563 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:17,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 18:47:17,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:47:17,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:47:17,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:17,564 INFO L87 Difference]: Start difference. First operand 1523 states and 1941 transitions. Second operand 9 states. [2018-11-28 18:47:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:19,331 INFO L93 Difference]: Finished difference Result 3137 states and 4136 transitions. [2018-11-28 18:47:19,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 18:47:19,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2018-11-28 18:47:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:19,342 INFO L225 Difference]: With dead ends: 3137 [2018-11-28 18:47:19,343 INFO L226 Difference]: Without dead ends: 1638 [2018-11-28 18:47:19,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-28 18:47:19,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2018-11-28 18:47:19,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1531. [2018-11-28 18:47:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2018-11-28 18:47:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1815 transitions. [2018-11-28 18:47:19,459 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1815 transitions. Word has length 146 [2018-11-28 18:47:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:19,459 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1815 transitions. [2018-11-28 18:47:19,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:47:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1815 transitions. [2018-11-28 18:47:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 18:47:19,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:19,466 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:19,466 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:19,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:19,466 INFO L82 PathProgramCache]: Analyzing trace with hash -134699338, now seen corresponding path program 1 times [2018-11-28 18:47:19,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:19,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:19,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:19,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:19,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:47:20,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:20,155 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 18:47:20,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:20,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 18:47:20,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:20,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:47:20,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:47:20,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:47:20,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:20,394 INFO L87 Difference]: Start difference. First operand 1531 states and 1815 transitions. Second operand 11 states. [2018-11-28 18:47:20,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:20,533 INFO L93 Difference]: Finished difference Result 2869 states and 3474 transitions. [2018-11-28 18:47:20,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:20,536 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2018-11-28 18:47:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:20,547 INFO L225 Difference]: With dead ends: 2869 [2018-11-28 18:47:20,547 INFO L226 Difference]: Without dead ends: 1362 [2018-11-28 18:47:20,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:20,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2018-11-28 18:47:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2018-11-28 18:47:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2018-11-28 18:47:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1617 transitions. [2018-11-28 18:47:20,648 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1617 transitions. Word has length 155 [2018-11-28 18:47:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:20,648 INFO L480 AbstractCegarLoop]: Abstraction has 1362 states and 1617 transitions. [2018-11-28 18:47:20,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:47:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1617 transitions. [2018-11-28 18:47:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-28 18:47:20,654 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:20,654 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 18:47:20,654 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:20,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2017445307, now seen corresponding path program 1 times [2018-11-28 18:47:20,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:20,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:20,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:20,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:47:21,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:21,438 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:21,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:21,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:21,982 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:21,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 18:47:21,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:21,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:21,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:21,983 INFO L87 Difference]: Start difference. First operand 1362 states and 1617 transitions. Second operand 14 states. [2018-11-28 18:47:26,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:26,880 INFO L93 Difference]: Finished difference Result 3102 states and 3918 transitions. [2018-11-28 18:47:26,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 18:47:26,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2018-11-28 18:47:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:26,894 INFO L225 Difference]: With dead ends: 3102 [2018-11-28 18:47:26,894 INFO L226 Difference]: Without dead ends: 1933 [2018-11-28 18:47:26,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 18:47:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2018-11-28 18:47:27,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1622. [2018-11-28 18:47:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1622 states. [2018-11-28 18:47:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 1911 transitions. [2018-11-28 18:47:27,032 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 1911 transitions. Word has length 159 [2018-11-28 18:47:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:27,033 INFO L480 AbstractCegarLoop]: Abstraction has 1622 states and 1911 transitions. [2018-11-28 18:47:27,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1911 transitions. [2018-11-28 18:47:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-28 18:47:27,041 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:27,041 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 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] [2018-11-28 18:47:27,042 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:27,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash -961238636, now seen corresponding path program 1 times [2018-11-28 18:47:27,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:27,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:27,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:27,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:27,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-28 18:47:27,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:27,982 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:28,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:28,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-28 18:47:28,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:28,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:47:28,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:47:28,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:47:28,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:47:28,256 INFO L87 Difference]: Start difference. First operand 1622 states and 1911 transitions. Second operand 13 states. [2018-11-28 18:47:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:28,407 INFO L93 Difference]: Finished difference Result 2159 states and 2543 transitions. [2018-11-28 18:47:28,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:47:28,408 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2018-11-28 18:47:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:28,409 INFO L225 Difference]: With dead ends: 2159 [2018-11-28 18:47:28,409 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:47:28,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:28,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:47:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:47:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:47:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:47:28,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2018-11-28 18:47:28,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:28,416 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:47:28,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:47:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:47:28,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:47:28,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:47:28,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:28,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:29,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:30,059 WARN L180 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 17 [2018-11-28 18:47:30,410 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2018-11-28 18:47:30,617 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 16 [2018-11-28 18:47:30,776 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 1 [2018-11-28 18:47:31,209 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2018-11-28 18:47:32,091 WARN L180 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 17 [2018-11-28 18:47:32,201 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2018-11-28 18:47:32,603 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 17 [2018-11-28 18:47:33,877 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-11-28 18:47:34,149 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 1 [2018-11-28 18:47:34,446 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2018-11-28 18:47:34,592 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2018-11-28 18:47:34,827 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 1 [2018-11-28 18:47:35,166 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2018-11-28 18:47:35,567 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 20 [2018-11-28 18:47:35,709 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2018-11-28 18:47:35,898 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2018-11-28 18:47:36,067 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2018-11-28 18:47:36,256 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2018-11-28 18:47:36,593 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-28 18:47:36,888 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2018-11-28 18:47:37,028 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-28 18:47:37,028 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-28 18:47:37,029 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 18:47:37,029 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-28 18:47:37,029 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 18:47:37,029 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 739 763) the Hoare annotation is: true [2018-11-28 18:47:37,029 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 739 763) no Hoare annotation was computed. [2018-11-28 18:47:37,029 INFO L444 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-28 18:47:37,029 INFO L448 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2018-11-28 18:47:37,030 INFO L444 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-11-28 18:47:37,031 INFO L448 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2018-11-28 18:47:37,031 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2018-11-28 18:47:37,031 INFO L448 ceAbstractionStarter]: For program point L747-1(lines 739 763) no Hoare annotation was computed. [2018-11-28 18:47:37,031 INFO L451 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2018-11-28 18:47:37,031 INFO L448 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2018-11-28 18:47:37,031 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 840 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,031 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 840 862) no Hoare annotation was computed. [2018-11-28 18:47:37,032 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,032 INFO L444 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,032 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2018-11-28 18:47:37,032 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 857) no Hoare annotation was computed. [2018-11-28 18:47:37,032 INFO L448 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-11-28 18:47:37,032 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,032 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,032 INFO L444 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 840 862) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-11-28 18:47:37,033 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-28 18:47:37,033 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L451 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-28 18:47:37,039 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-28 18:47:37,040 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 827 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,041 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L451 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2018-11-28 18:47:37,042 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 952 965) no Hoare annotation was computed. [2018-11-28 18:47:37,043 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 952 965) the Hoare annotation is: true [2018-11-28 18:47:37,043 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 952 965) no Hoare annotation was computed. [2018-11-28 18:47:37,043 INFO L444 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 18:47:37,043 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2018-11-28 18:47:37,043 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:37,043 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2018-11-28 18:47:37,043 INFO L444 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:37,043 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2018-11-28 18:47:37,044 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-28 18:47:37,044 INFO L444 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:37,044 INFO L448 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2018-11-28 18:47:37,044 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2018-11-28 18:47:37,044 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2018-11-28 18:47:37,044 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2018-11-28 18:47:37,044 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 668 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,044 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-28 18:47:37,044 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2018-11-28 18:47:37,044 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2018-11-28 18:47:37,045 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 668 735) no Hoare annotation was computed. [2018-11-28 18:47:37,045 INFO L444 ceAbstractionStarter]: At program point L725(lines 678 727) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0 (not (= ~waterLevel~0 0))))) [2018-11-28 18:47:37,045 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,045 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-11-28 18:47:37,045 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-11-28 18:47:37,045 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2018-11-28 18:47:37,045 INFO L444 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,045 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) .cse0) .cse1) (and (and .cse2 .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L444 ceAbstractionStarter]: At program point L716-1(lines 708 723) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 0)) .cse1) (and (and .cse2 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0))) [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 668 735) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 966 974) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 966 974) the Hoare annotation is: true [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 966 974) no Hoare annotation was computed. [2018-11-28 18:47:37,046 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 18:47:37,047 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 943 951) the Hoare annotation is: true [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 943 951) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 943 951) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-11-28 18:47:37,047 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 899 910) the Hoare annotation is: true [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 899 910) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2018-11-28 18:47:37,048 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 766 795) the Hoare annotation is: true [2018-11-28 18:47:37,048 INFO L451 ceAbstractionStarter]: At program point L791(lines 766 795) the Hoare annotation is: true [2018-11-28 18:47:37,048 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L451 ceAbstractionStarter]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2018-11-28 18:47:37,049 INFO L448 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L451 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2018-11-28 18:47:37,049 INFO L451 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2018-11-28 18:47:37,049 INFO L448 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 911 919) the Hoare annotation is: true [2018-11-28 18:47:37,049 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-28 18:47:37,049 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 18:47:37,050 INFO L448 ceAbstractionStarter]: For program point L60(lines 59 78) no Hoare annotation was computed. [2018-11-28 18:47:37,050 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse2 .cse0))) [2018-11-28 18:47:37,050 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2018-11-28 18:47:37,050 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2018-11-28 18:47:37,050 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (< |old(~waterLevel~0)| 1)) (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1)))) [2018-11-28 18:47:37,050 INFO L444 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not .cse0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1))))) [2018-11-28 18:47:37,050 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 875 886) the Hoare annotation is: (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-11-28 18:47:37,050 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:47:37,051 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2018-11-28 18:47:37,051 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: true [2018-11-28 18:47:37,051 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 88 112) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,052 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L444 ceAbstractionStarter]: At program point L94(line 94) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,052 INFO L448 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 88 112) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,052 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2018-11-28 18:47:37,052 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,053 INFO L444 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:47:37,053 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-28 18:47:37,053 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-28 18:47:37,053 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1))) (or (< ~pumpRunning~0 1) .cse1 .cse2 (= ~systemActive~0 0)))) [2018-11-28 18:47:37,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2018-11-28 18:47:37,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 864 871) no Hoare annotation was computed. [2018-11-28 18:47:37,053 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 864 871) the Hoare annotation is: true [2018-11-28 18:47:37,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 864 871) no Hoare annotation was computed. [2018-11-28 18:47:37,054 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 18:47:37,054 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 114 138) no Hoare annotation was computed. [2018-11-28 18:47:37,054 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1 (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:37,054 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 114 138) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-11-28 18:47:37,054 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2018-11-28 18:47:37,054 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:37,054 INFO L448 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2018-11-28 18:47:37,054 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2018-11-28 18:47:37,055 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-11-28 18:47:37,055 INFO L448 ceAbstractionStarter]: For program point L133-1(lines 114 138) no Hoare annotation was computed. [2018-11-28 18:47:37,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:47:37 BoogieIcfgContainer [2018-11-28 18:47:37,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:47:37,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:47:37,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:47:37,070 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:47:37,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:59" (3/4) ... [2018-11-28 18:47:37,075 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:47:37,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:47:37,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:47:37,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:47:37,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:47:37,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:47:37,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:37,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:47:37,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:47:37,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:47:37,104 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:47:37,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:47:37,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:47:37,107 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:47:37,108 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:47:37,108 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:47:37,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && \old(waterLevel) <= waterLevel + 1) && splverifierCounter == 0) && !(waterLevel == 0)) [2018-11-28 18:47:37,164 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:47:37,264 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:47:37,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:47:37,265 INFO L168 Benchmark]: Toolchain (without parser) took 39919.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 951.3 MB in the beginning and 862.3 MB in the end (delta: 89.0 MB). Peak memory consumption was 535.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,266 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:37,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,268 INFO L168 Benchmark]: Boogie Preprocessor took 69.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:37,268 INFO L168 Benchmark]: RCFGBuilder took 1259.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,268 INFO L168 Benchmark]: TraceAbstraction took 37605.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.0 MB). Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 204.8 MB). Peak memory consumption was 510.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,271 INFO L168 Benchmark]: Witness Printer took 194.03 ms. Allocated memory is still 1.5 GB. Free memory was 874.4 MB in the beginning and 862.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,274 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.19 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1259.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37605.14 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 303.0 MB). Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 204.8 MB). Peak memory consumption was 510.9 MB. Max. memory is 11.5 GB. * Witness Printer took 194.03 ms. Allocated memory is still 1.5 GB. Free memory was 874.4 MB in the beginning and 862.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: 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: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && \old(waterLevel) <= waterLevel + 1) && splverifierCounter == 0) && !(waterLevel == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 169 locations, 1 error locations. SAFE Result, 37.5s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 21.3s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2025 SDtfs, 2787 SDslu, 6610 SDs, 0 SdLazy, 7218 SolverSat, 1809 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 968 GetRequests, 820 SyntacticMatches, 1 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1622occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 797 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3679 PreInvPairs, 3780 NumberOfFragments, 1282 HoareAnnotationTreeSize, 3679 FomulaSimplifications, 18987 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 13198 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1804 ConstructedInterpolants, 0 QuantifiedInterpolants, 379836 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4402 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 497/558 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...