java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:23,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:23,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:23,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:23,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:23,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:23,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:23,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:23,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:23,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:23,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:23,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:23,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:23,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:23,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:23,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:23,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:23,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:23,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:23,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:23,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:23,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:23,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:23,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:23,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:23,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:23,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:23,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:23,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:23,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:23,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:23,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:23,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:23,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:23,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:23,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:23,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:23,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:23,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:23,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:23,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:23,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:04:23,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:23,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:23,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:23,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:23,390 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:23,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:23,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:23,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:23,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:23,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:23,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:23,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:23,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:23,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:23,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:23,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:23,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:23,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:23,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:23,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:23,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:23,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:23,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:23,394 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:23,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:23,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:23,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:23,455 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:23,457 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:23,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-09-20 13:04:23,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16ef773c/de2cc27666234c2489b07ffdb81d5aac/FLAGe79c7ab8f [2019-09-20 13:04:24,122 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:24,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-09-20 13:04:24,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16ef773c/de2cc27666234c2489b07ffdb81d5aac/FLAGe79c7ab8f [2019-09-20 13:04:24,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c16ef773c/de2cc27666234c2489b07ffdb81d5aac [2019-09-20 13:04:24,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:24,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:24,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:24,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:24,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:24,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aa4cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24, skipping insertion in model container [2019-09-20 13:04:24,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,468 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:24,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:24,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:25,016 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:25,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:25,161 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:25,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25 WrapperNode [2019-09-20 13:04:25,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:25,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:25,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:25,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:25,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (1/1) ... [2019-09-20 13:04:25,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:25,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:25,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:25,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:25,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (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 [2019-09-20 13:04:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:04:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:26,684 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:26,684 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:26,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:26 BoogieIcfgContainer [2019-09-20 13:04:26,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:26,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:26,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:26,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:26,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:24" (1/3) ... [2019-09-20 13:04:26,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3fec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:26, skipping insertion in model container [2019-09-20 13:04:26,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:25" (2/3) ... [2019-09-20 13:04:26,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d3fec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:26, skipping insertion in model container [2019-09-20 13:04:26,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:26" (3/3) ... [2019-09-20 13:04:26,698 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2019-09-20 13:04:26,709 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:26,722 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:26,741 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:26,784 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:26,785 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:26,785 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:26,785 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:26,785 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:26,785 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:26,786 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:26,786 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:26,786 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:26,808 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-09-20 13:04:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:26,818 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,819 INFO L407 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] [2019-09-20 13:04:26,822 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1514827661, now seen corresponding path program 1 times [2019-09-20 13:04:26,830 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:27,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:27,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:27,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:27,317 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-09-20 13:04:27,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,404 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-09-20 13:04:27,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:27,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,421 INFO L225 Difference]: With dead ends: 292 [2019-09-20 13:04:27,421 INFO L226 Difference]: Without dead ends: 146 [2019-09-20 13:04:27,429 INFO L636 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 [2019-09-20 13:04:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-20 13:04:27,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-20 13:04:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-20 13:04:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-09-20 13:04:27,491 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-09-20 13:04:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,491 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-09-20 13:04:27,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-09-20 13:04:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:27,496 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,496 INFO L407 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] [2019-09-20 13:04:27,496 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,497 INFO L82 PathProgramCache]: Analyzing trace with hash -932487912, now seen corresponding path program 1 times [2019-09-20 13:04:27,497 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:27,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:27,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:27,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:27,651 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-09-20 13:04:27,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,674 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-09-20 13:04:27,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:27,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,677 INFO L225 Difference]: With dead ends: 235 [2019-09-20 13:04:27,677 INFO L226 Difference]: Without dead ends: 137 [2019-09-20 13:04:27,679 INFO L636 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 [2019-09-20 13:04:27,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-09-20 13:04:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-09-20 13:04:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-09-20 13:04:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-09-20 13:04:27,696 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-09-20 13:04:27,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,697 INFO L475 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-09-20 13:04:27,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-09-20 13:04:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:27,699 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,699 INFO L407 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] [2019-09-20 13:04:27,700 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,700 INFO L82 PathProgramCache]: Analyzing trace with hash -896226788, now seen corresponding path program 1 times [2019-09-20 13:04:27,700 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:27,915 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:27,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:27,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:27,916 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2019-09-20 13:04:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,569 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2019-09-20 13:04:28,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:28,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:04:28,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,575 INFO L225 Difference]: With dead ends: 413 [2019-09-20 13:04:28,575 INFO L226 Difference]: Without dead ends: 300 [2019-09-20 13:04:28,577 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:28,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-09-20 13:04:28,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2019-09-20 13:04:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-09-20 13:04:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2019-09-20 13:04:28,639 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2019-09-20 13:04:28,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,639 INFO L475 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2019-09-20 13:04:28,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2019-09-20 13:04:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:04:28,643 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,643 INFO L407 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] [2019-09-20 13:04:28,643 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,644 INFO L82 PathProgramCache]: Analyzing trace with hash 278011294, now seen corresponding path program 1 times [2019-09-20 13:04:28,644 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:28,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:28,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:28,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:28,765 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2019-09-20 13:04:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,003 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2019-09-20 13:04:29,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:29,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-20 13:04:29,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,009 INFO L225 Difference]: With dead ends: 813 [2019-09-20 13:04:29,010 INFO L226 Difference]: Without dead ends: 545 [2019-09-20 13:04:29,012 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:29,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-09-20 13:04:29,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2019-09-20 13:04:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-09-20 13:04:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2019-09-20 13:04:29,068 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2019-09-20 13:04:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,068 INFO L475 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2019-09-20 13:04:29,069 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2019-09-20 13:04:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:04:29,073 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,073 INFO L407 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] [2019-09-20 13:04:29,073 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1238143586, now seen corresponding path program 1 times [2019-09-20 13:04:29,074 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:29,224 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:29,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:29,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:29,225 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2019-09-20 13:04:29,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,933 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2019-09-20 13:04:29,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:29,933 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-09-20 13:04:29,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,942 INFO L225 Difference]: With dead ends: 1380 [2019-09-20 13:04:29,942 INFO L226 Difference]: Without dead ends: 865 [2019-09-20 13:04:29,944 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:04:29,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-09-20 13:04:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2019-09-20 13:04:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-09-20 13:04:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2019-09-20 13:04:30,030 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2019-09-20 13:04:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,030 INFO L475 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2019-09-20 13:04:30,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2019-09-20 13:04:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:30,035 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,035 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,036 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,036 INFO L82 PathProgramCache]: Analyzing trace with hash 726814707, now seen corresponding path program 1 times [2019-09-20 13:04:30,036 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:30,182 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:30,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:30,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:30,183 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2019-09-20 13:04:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,249 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2019-09-20 13:04:30,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:30,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-20 13:04:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,258 INFO L225 Difference]: With dead ends: 1542 [2019-09-20 13:04:30,258 INFO L226 Difference]: Without dead ends: 797 [2019-09-20 13:04:30,261 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-09-20 13:04:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2019-09-20 13:04:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-09-20 13:04:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2019-09-20 13:04:30,311 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2019-09-20 13:04:30,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,312 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2019-09-20 13:04:30,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2019-09-20 13:04:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:30,321 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,321 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,322 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1620301045, now seen corresponding path program 1 times [2019-09-20 13:04:30,322 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:30,457 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:30,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:30,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:30,458 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2019-09-20 13:04:30,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,554 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2019-09-20 13:04:30,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:30,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-20 13:04:30,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,559 INFO L225 Difference]: With dead ends: 1582 [2019-09-20 13:04:30,559 INFO L226 Difference]: Without dead ends: 817 [2019-09-20 13:04:30,562 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:30,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2019-09-20 13:04:30,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2019-09-20 13:04:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-09-20 13:04:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-09-20 13:04:30,610 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2019-09-20 13:04:30,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,610 INFO L475 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-09-20 13:04:30,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-09-20 13:04:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:30,617 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,617 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,617 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1612541686, now seen corresponding path program 1 times [2019-09-20 13:04:30,618 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:30,706 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:30,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:30,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:30,707 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2019-09-20 13:04:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,004 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2019-09-20 13:04:31,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:31,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-20 13:04:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,017 INFO L225 Difference]: With dead ends: 2547 [2019-09-20 13:04:31,017 INFO L226 Difference]: Without dead ends: 1766 [2019-09-20 13:04:31,021 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:31,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2019-09-20 13:04:31,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2019-09-20 13:04:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2019-09-20 13:04:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2019-09-20 13:04:31,130 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2019-09-20 13:04:31,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,131 INFO L475 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2019-09-20 13:04:31,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:31,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2019-09-20 13:04:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:04:31,135 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,136 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,136 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1468895920, now seen corresponding path program 1 times [2019-09-20 13:04:31,137 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:31,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:31,272 INFO L224 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 [2019-09-20 13:04:31,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:31,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:31,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:31,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:31,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:31,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:31,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:31,728 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 19 states. [2019-09-20 13:04:33,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,349 INFO L93 Difference]: Finished difference Result 3416 states and 4258 transitions. [2019-09-20 13:04:33,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:33,351 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2019-09-20 13:04:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,365 INFO L225 Difference]: With dead ends: 3416 [2019-09-20 13:04:33,366 INFO L226 Difference]: Without dead ends: 1705 [2019-09-20 13:04:33,380 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:33,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-09-20 13:04:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2019-09-20 13:04:33,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-09-20 13:04:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2057 transitions. [2019-09-20 13:04:33,492 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2057 transitions. Word has length 102 [2019-09-20 13:04:33,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,494 INFO L475 AbstractCegarLoop]: Abstraction has 1705 states and 2057 transitions. [2019-09-20 13:04:33,494 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2057 transitions. [2019-09-20 13:04:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:04:33,503 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,504 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:33,504 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,504 INFO L82 PathProgramCache]: Analyzing trace with hash 844933528, now seen corresponding path program 1 times [2019-09-20 13:04:33,505 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:33,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:33,804 INFO L224 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 [2019-09-20 13:04:33,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:04:34,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:34,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:34,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:04:34,169 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:04:34,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:04:34,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:04:34,171 INFO L87 Difference]: Start difference. First operand 1705 states and 2057 transitions. Second operand 16 states. [2019-09-20 13:04:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:36,807 INFO L93 Difference]: Finished difference Result 6050 states and 8333 transitions. [2019-09-20 13:04:36,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:04:36,808 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2019-09-20 13:04:36,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:36,843 INFO L225 Difference]: With dead ends: 6050 [2019-09-20 13:04:36,843 INFO L226 Difference]: Without dead ends: 4685 [2019-09-20 13:04:36,851 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:04:36,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2019-09-20 13:04:37,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3957. [2019-09-20 13:04:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3957 states. [2019-09-20 13:04:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 4883 transitions. [2019-09-20 13:04:37,106 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 4883 transitions. Word has length 155 [2019-09-20 13:04:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:37,106 INFO L475 AbstractCegarLoop]: Abstraction has 3957 states and 4883 transitions. [2019-09-20 13:04:37,106 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:04:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 4883 transitions. [2019-09-20 13:04:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:04:37,112 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:37,113 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:37,113 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:37,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:37,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1119693142, now seen corresponding path program 1 times [2019-09-20 13:04:37,114 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:37,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:37,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:37,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:04:37,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:37,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:04:37,234 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:04:37,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:04:37,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:37,235 INFO L87 Difference]: Start difference. First operand 3957 states and 4883 transitions. Second operand 9 states. [2019-09-20 13:04:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:37,334 INFO L93 Difference]: Finished difference Result 4925 states and 6057 transitions. [2019-09-20 13:04:37,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:04:37,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-09-20 13:04:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:37,337 INFO L225 Difference]: With dead ends: 4925 [2019-09-20 13:04:37,337 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:37,349 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:37,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-09-20 13:04:37,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:37,351 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:37,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:04:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:37,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:37,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:38,573 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 18 [2019-09-20 13:04:38,726 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-09-20 13:04:39,224 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2019-09-20 13:04:39,715 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 36 [2019-09-20 13:04:39,897 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2019-09-20 13:04:40,022 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2019-09-20 13:04:40,373 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-09-20 13:04:40,789 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 42 [2019-09-20 13:04:40,949 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2019-09-20 13:04:41,149 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 27 [2019-09-20 13:04:41,388 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-09-20 13:04:41,562 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2019-09-20 13:04:41,743 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2019-09-20 13:04:41,899 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 20 [2019-09-20 13:04:42,416 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-09-20 13:04:42,518 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-09-20 13:04:42,923 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2019-09-20 13:04:43,094 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2019-09-20 13:04:43,592 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2019-09-20 13:04:43,769 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 574 578) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 589) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 543 598) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L590(lines 567 591) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 543 598) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 543 598) no Hoare annotation was computed. [2019-09-20 13:04:43,772 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 631 635) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 599 658) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L625-2(lines 625 650) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 599 658) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L651(lines 624 652) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 599 658) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-09-20 13:04:43,773 INFO L443 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2019-09-20 13:04:43,774 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2019-09-20 13:04:43,774 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2019-09-20 13:04:43,774 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2019-09-20 13:04:43,774 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2019-09-20 13:04:43,774 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2019-09-20 13:04:43,774 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,775 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2019-09-20 13:04:43,775 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,775 INFO L439 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,775 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2019-09-20 13:04:43,775 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2019-09-20 13:04:43,775 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-09-20 13:04:43,776 INFO L439 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,776 INFO L439 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,776 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2019-09-20 13:04:43,776 INFO L439 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,776 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2019-09-20 13:04:43,776 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 926 949) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-09-20 13:04:43,777 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or (or .cse0 .cse4 .cse5) .cse6) (or .cse6 (or .cse4 .cse5 .cse3)))) [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-09-20 13:04:43,778 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)) .cse4) (or .cse0 .cse5 .cse6 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse6 .cse2) .cse5))) [2019-09-20 13:04:43,778 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-09-20 13:04:43,779 INFO L443 ceAbstractionStarter]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 401 436) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 401 436) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 428) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 401 436) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point L420-2(lines 420 428) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 497 542) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 497 542) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 497 542) no Hoare annotation was computed. [2019-09-20 13:04:43,780 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 837) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 810 855) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 844) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 810 855) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 810 855) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2019-09-20 13:04:43,781 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2019-09-20 13:04:43,782 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-09-20 13:04:43,782 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-09-20 13:04:43,782 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2019-09-20 13:04:43,782 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2019-09-20 13:04:43,782 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-09-20 13:04:43,782 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-09-20 13:04:43,782 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-09-20 13:04:43,783 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-09-20 13:04:43,783 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2019-09-20 13:04:43,783 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,783 INFO L443 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2019-09-20 13:04:43,783 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-09-20 13:04:43,783 INFO L439 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,784 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3))) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse1 .cse5) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse4 .cse0 .cse1 .cse5) (or .cse3 .cse1 .cse5 .cse2))) [2019-09-20 13:04:43,784 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-09-20 13:04:43,784 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse4 .cse1 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2019-09-20 13:04:43,784 INFO L443 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2019-09-20 13:04:43,784 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2019-09-20 13:04:43,784 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2019-09-20 13:04:43,784 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2019-09-20 13:04:43,785 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,785 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,785 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-09-20 13:04:43,785 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-09-20 13:04:43,785 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2019-09-20 13:04:43,785 INFO L439 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,786 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (and (and .cse0 .cse1 .cse2) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse2) .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-09-20 13:04:43,786 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-09-20 13:04:43,786 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2019-09-20 13:04:43,786 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-09-20 13:04:43,786 INFO L439 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,786 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L439 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 764 809) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 764 809) no Hoare annotation was computed. [2019-09-20 13:04:43,787 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 764 809) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 791) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 798) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:04:43,788 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-09-20 13:04:43,788 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 661 763) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point L731(lines 709 732) no Hoare annotation was computed. [2019-09-20 13:04:43,789 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 706) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 757) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 730) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 661 763) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 748) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-09-20 13:04:43,790 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 661 763) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 760) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 730) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,791 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:04:43,792 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,792 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,792 INFO L443 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2019-09-20 13:04:43,792 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2019-09-20 13:04:43,792 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-09-20 13:04:43,792 INFO L439 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-20 13:04:43,793 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-09-20 13:04:43,793 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-09-20 13:04:43,794 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-09-20 13:04:43,794 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse3 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse5) (or .cse3 .cse1 .cse5 (not (= ~waterLevel~0 1))) (or (or (= ~systemActive~0 0) .cse4 .cse2) .cse0))) [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-09-20 13:04:43,794 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,795 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,795 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,795 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-09-20 13:04:43,795 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-09-20 13:04:43,795 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-09-20 13:04:43,795 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= ~pumpRunning~0 0) .cse7)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (or .cse0 .cse4 .cse5)) (or (and .cse6 .cse7) (or .cse1 .cse5 .cse8)) (or (or .cse4 .cse5 .cse8) .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse8)))) [2019-09-20 13:04:43,796 INFO L439 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse10)) (.cse6 (and .cse8 .cse10)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2 .cse5) .cse6 (and .cse7 .cse8)) (or .cse3 .cse1 (and .cse7 .cse9 (not (= 0 ~systemActive~0))) (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse6 (or .cse0 .cse4 .cse2))))) [2019-09-20 13:04:43,796 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse7 (= ~pumpRunning~0 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2 .cse5) .cse6) (or .cse3 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse6 (or .cse0 .cse4 .cse2))))) [2019-09-20 13:04:43,796 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5) (or .cse3 (or .cse6 .cse0 .cse1)))) [2019-09-20 13:04:43,796 INFO L443 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2019-09-20 13:04:43,796 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2019-09-20 13:04:43,797 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2019-09-20 13:04:43,797 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2019-09-20 13:04:43,797 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2019-09-20 13:04:43,797 INFO L446 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2019-09-20 13:04:43,797 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-09-20 13:04:43,797 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-09-20 13:04:43,797 INFO L446 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2019-09-20 13:04:43,797 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-09-20 13:04:43,798 INFO L446 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2019-09-20 13:04:43,798 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-09-20 13:04:43,798 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-09-20 13:04:43,798 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,798 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-09-20 13:04:43,798 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-09-20 13:04:43,798 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2019-09-20 13:04:43,799 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2019-09-20 13:04:43,799 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,799 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:43,799 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:43,799 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,799 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:04:43,799 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2019-09-20 13:04:43,800 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:04:43,800 INFO L443 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2019-09-20 13:04:43,800 INFO L439 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-09-20 13:04:43,800 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse0 .cse1 .cse6 .cse3)) (or (or .cse4 .cse0 .cse1 .cse6) .cse5))) [2019-09-20 13:04:43,800 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2019-09-20 13:04:43,800 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-09-20 13:04:43,801 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= ~systemActive~0 0) .cse4) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse3 .cse4))) [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2019-09-20 13:04:43,801 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2019-09-20 13:04:43,802 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-09-20 13:04:43,802 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2019-09-20 13:04:43,802 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2019-09-20 13:04:43,802 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (<= 1 ~waterLevel~0))) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:04:43,803 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-09-20 13:04:43,803 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-20 13:04:43,803 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-09-20 13:04:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:43 BoogieIcfgContainer [2019-09-20 13:04:43,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:43,821 INFO L168 Benchmark]: Toolchain (without parser) took 19369.93 ms. Allocated memory was 133.7 MB in the beginning and 526.4 MB in the end (delta: 392.7 MB). Free memory was 89.0 MB in the beginning and 118.9 MB in the end (delta: -29.9 MB). Peak memory consumption was 405.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,822 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.39 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.8 MB in the beginning and 163.6 MB in the end (delta: -74.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,823 INFO L168 Benchmark]: Boogie Preprocessor took 88.40 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,824 INFO L168 Benchmark]: RCFGBuilder took 1435.55 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 189.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,825 INFO L168 Benchmark]: TraceAbstraction took 17130.08 ms. Allocated memory was 225.4 MB in the beginning and 526.4 MB in the end (delta: 300.9 MB). Free memory was 189.0 MB in the beginning and 118.9 MB in the end (delta: 70.1 MB). Peak memory consumption was 414.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.39 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 88.8 MB in the beginning and 163.6 MB in the end (delta: -74.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.40 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1435.55 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 159.1 MB in the beginning and 189.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17130.08 ms. Allocated memory was 225.4 MB in the beginning and 526.4 MB in the end (delta: 300.9 MB). Free memory was 189.0 MB in the beginning and 118.9 MB in the end (delta: 70.1 MB). Peak memory consumption was 414.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2145 SDtfs, 1891 SDslu, 7324 SDs, 0 SdLazy, 4104 SolverSat, 721 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3957occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 889 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4722 PreInvPairs, 4919 NumberOfFragments, 2161 HoareAnnotationTreeSize, 4722 FomulaSimplifications, 11048 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 19142 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1225 NumberOfCodeBlocks, 1225 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1212 ConstructedInterpolants, 0 QuantifiedInterpolants, 221450 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1671 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 111/117 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...