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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:05,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:05,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:05,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:05,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:05,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:05,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:05,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:05,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:05,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:05,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:05,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:05,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:05,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:05,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:05,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:05,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:05,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:05,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:05,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:05,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:05,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:05,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:05,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:05,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:05,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:05,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:05,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:05,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:05,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:05,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:05,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:05,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:05,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:05,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:05,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:05,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:05,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:05,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:05,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:05,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:05,418 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 [2019-10-13 21:20:05,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:05,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:05,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:05,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:05,445 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:05,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:05,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:05,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:05,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:05,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:05,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:05,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:05,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:05,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:05,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:05,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:05,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:05,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:05,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:05,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:05,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:05,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:05,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:05,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:05,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:05,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:05,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:05,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:05,770 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:05,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-13 21:20:05,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f0333b3/c2fd970958bd4bd8a0332f13f2d42e64/FLAG47774f5f7 [2019-10-13 21:20:06,325 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:06,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product48.cil.c [2019-10-13 21:20:06,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f0333b3/c2fd970958bd4bd8a0332f13f2d42e64/FLAG47774f5f7 [2019-10-13 21:20:06,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f0333b3/c2fd970958bd4bd8a0332f13f2d42e64 [2019-10-13 21:20:06,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:06,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:06,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:06,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:06,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:06,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:06" (1/1) ... [2019-10-13 21:20:06,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d3d617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:06, skipping insertion in model container [2019-10-13 21:20:06,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:06" (1/1) ... [2019-10-13 21:20:06,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:06,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:07,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:07,175 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:07,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:07,333 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:07,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07 WrapperNode [2019-10-13 21:20:07,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:07,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:07,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:07,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:07,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:07,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:07,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:07,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (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 [2019-10-13 21:20:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:20:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:08,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:08,734 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:08,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:08 BoogieIcfgContainer [2019-10-13 21:20:08,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:08,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:08,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:08,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:08,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:06" (1/3) ... [2019-10-13 21:20:08,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8df3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:08, skipping insertion in model container [2019-10-13 21:20:08,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (2/3) ... [2019-10-13 21:20:08,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8df3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:08, skipping insertion in model container [2019-10-13 21:20:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:08" (3/3) ... [2019-10-13 21:20:08,744 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2019-10-13 21:20:08,754 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:08,763 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:08,775 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:08,808 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:08,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:08,808 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:08,808 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:08,809 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:08,809 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:08,809 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:08,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-13 21:20:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:08,843 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:08,844 INFO L380 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] [2019-10-13 21:20:08,846 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash -952681071, now seen corresponding path program 1 times [2019-10-13 21:20:08,861 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:08,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559750686] [2019-10-13 21:20:08,862 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,862 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559750686] [2019-10-13 21:20:09,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,249 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:09,249 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098022286] [2019-10-13 21:20:09,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:09,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:09,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:09,278 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-13 21:20:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,364 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2019-10-13 21:20:09,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:09,369 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,401 INFO L225 Difference]: With dead ends: 280 [2019-10-13 21:20:09,401 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:20:09,411 INFO L600 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 [2019-10-13 21:20:09,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:20:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:20:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:20:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2019-10-13 21:20:09,520 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2019-10-13 21:20:09,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,521 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2019-10-13 21:20:09,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2019-10-13 21:20:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:09,533 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,533 INFO L380 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] [2019-10-13 21:20:09,533 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash -448216280, now seen corresponding path program 1 times [2019-10-13 21:20:09,537 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,537 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970038437] [2019-10-13 21:20:09,537 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970038437] [2019-10-13 21:20:09,702 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:09,703 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448767083] [2019-10-13 21:20:09,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:09,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:09,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:09,706 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2019-10-13 21:20:09,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,737 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2019-10-13 21:20:09,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:09,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,742 INFO L225 Difference]: With dead ends: 219 [2019-10-13 21:20:09,743 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 21:20:09,746 INFO L600 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 [2019-10-13 21:20:09,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 21:20:09,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-13 21:20:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 21:20:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2019-10-13 21:20:09,766 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2019-10-13 21:20:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,766 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2019-10-13 21:20:09,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2019-10-13 21:20:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:09,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,772 INFO L380 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] [2019-10-13 21:20:09,772 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash -673738792, now seen corresponding path program 1 times [2019-10-13 21:20:09,773 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998271240] [2019-10-13 21:20:09,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998271240] [2019-10-13 21:20:09,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:09,995 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228525433] [2019-10-13 21:20:09,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:09,996 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:09,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:09,997 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2019-10-13 21:20:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,615 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2019-10-13 21:20:10,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:10,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,619 INFO L225 Difference]: With dead ends: 395 [2019-10-13 21:20:10,620 INFO L226 Difference]: Without dead ends: 288 [2019-10-13 21:20:10,621 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-10-13 21:20:10,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2019-10-13 21:20:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-10-13 21:20:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2019-10-13 21:20:10,689 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2019-10-13 21:20:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,689 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2019-10-13 21:20:10,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2019-10-13 21:20:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:10,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,695 INFO L380 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] [2019-10-13 21:20:10,695 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1909301517, now seen corresponding path program 1 times [2019-10-13 21:20:10,696 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370823658] [2019-10-13 21:20:10,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370823658] [2019-10-13 21:20:10,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:10,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102376263] [2019-10-13 21:20:10,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:10,870 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:10,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:10,871 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2019-10-13 21:20:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,128 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2019-10-13 21:20:11,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:11,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 21:20:11,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,144 INFO L225 Difference]: With dead ends: 765 [2019-10-13 21:20:11,146 INFO L226 Difference]: Without dead ends: 513 [2019-10-13 21:20:11,153 INFO L600 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 [2019-10-13 21:20:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-10-13 21:20:11,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2019-10-13 21:20:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2019-10-13 21:20:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2019-10-13 21:20:11,229 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2019-10-13 21:20:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,229 INFO L462 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2019-10-13 21:20:11,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2019-10-13 21:20:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:20:11,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,234 INFO L380 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] [2019-10-13 21:20:11,235 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,236 INFO L82 PathProgramCache]: Analyzing trace with hash 431982967, now seen corresponding path program 1 times [2019-10-13 21:20:11,236 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,237 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386022596] [2019-10-13 21:20:11,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386022596] [2019-10-13 21:20:11,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:11,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430955055] [2019-10-13 21:20:11,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:11,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:11,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:11,386 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2019-10-13 21:20:12,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,163 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2019-10-13 21:20:12,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:12,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 21:20:12,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,170 INFO L225 Difference]: With dead ends: 1346 [2019-10-13 21:20:12,171 INFO L226 Difference]: Without dead ends: 863 [2019-10-13 21:20:12,174 INFO L600 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 [2019-10-13 21:20:12,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2019-10-13 21:20:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2019-10-13 21:20:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-10-13 21:20:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2019-10-13 21:20:12,244 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2019-10-13 21:20:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,244 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2019-10-13 21:20:12,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2019-10-13 21:20:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:12,248 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,248 INFO L380 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] [2019-10-13 21:20:12,248 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash -597595789, now seen corresponding path program 1 times [2019-10-13 21:20:12,249 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406044057] [2019-10-13 21:20:12,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406044057] [2019-10-13 21:20:12,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:12,338 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54204366] [2019-10-13 21:20:12,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:12,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:12,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:12,339 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2019-10-13 21:20:12,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,709 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2019-10-13 21:20:12,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:12,710 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-13 21:20:12,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,727 INFO L225 Difference]: With dead ends: 2836 [2019-10-13 21:20:12,727 INFO L226 Difference]: Without dead ends: 2095 [2019-10-13 21:20:12,731 INFO L600 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 [2019-10-13 21:20:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2019-10-13 21:20:12,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2019-10-13 21:20:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2019-10-13 21:20:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2019-10-13 21:20:12,878 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2019-10-13 21:20:12,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,879 INFO L462 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2019-10-13 21:20:12,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2019-10-13 21:20:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:12,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,888 INFO L380 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] [2019-10-13 21:20:12,888 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,889 INFO L82 PathProgramCache]: Analyzing trace with hash -589836430, now seen corresponding path program 1 times [2019-10-13 21:20:12,889 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13045745] [2019-10-13 21:20:12,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13045745] [2019-10-13 21:20:13,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775683943] [2019-10-13 21:20:13,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,009 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,009 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2019-10-13 21:20:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,143 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2019-10-13 21:20:13,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:13,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-13 21:20:13,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,160 INFO L225 Difference]: With dead ends: 4158 [2019-10-13 21:20:13,160 INFO L226 Difference]: Without dead ends: 2133 [2019-10-13 21:20:13,169 INFO L600 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 [2019-10-13 21:20:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2019-10-13 21:20:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2019-10-13 21:20:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2019-10-13 21:20:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2019-10-13 21:20:13,352 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2019-10-13 21:20:13,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,353 INFO L462 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2019-10-13 21:20:13,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2019-10-13 21:20:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:13,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,360 INFO L380 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] [2019-10-13 21:20:13,361 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,361 INFO L82 PathProgramCache]: Analyzing trace with hash 303649908, now seen corresponding path program 1 times [2019-10-13 21:20:13,368 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,368 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492789676] [2019-10-13 21:20:13,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:13,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492789676] [2019-10-13 21:20:13,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,519 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:13,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705073380] [2019-10-13 21:20:13,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:13,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:13,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:13,523 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2019-10-13 21:20:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,675 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2019-10-13 21:20:13,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-13 21:20:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,693 INFO L225 Difference]: With dead ends: 3832 [2019-10-13 21:20:13,694 INFO L226 Difference]: Without dead ends: 1747 [2019-10-13 21:20:13,706 INFO L600 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 [2019-10-13 21:20:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2019-10-13 21:20:13,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2019-10-13 21:20:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2019-10-13 21:20:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2019-10-13 21:20:13,856 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2019-10-13 21:20:13,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,857 INFO L462 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2019-10-13 21:20:13,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2019-10-13 21:20:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:13,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,866 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,866 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1696809349, now seen corresponding path program 1 times [2019-10-13 21:20:13,867 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539193916] [2019-10-13 21:20:13,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,868 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,101 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539193916] [2019-10-13 21:20:14,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988493525] [2019-10-13 21:20:14,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:14,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:14,624 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:15,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:15,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:15,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915157117] [2019-10-13 21:20:15,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:15,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:15,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,608 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 8 states. [2019-10-13 21:20:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,962 INFO L93 Difference]: Finished difference Result 3444 states and 4258 transitions. [2019-10-13 21:20:15,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:15,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,979 INFO L225 Difference]: With dead ends: 3444 [2019-10-13 21:20:15,979 INFO L226 Difference]: Without dead ends: 1721 [2019-10-13 21:20:15,989 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2019-10-13 21:20:16,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2019-10-13 21:20:16,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2019-10-13 21:20:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2075 transitions. [2019-10-13 21:20:16,127 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2075 transitions. Word has length 103 [2019-10-13 21:20:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,128 INFO L462 AbstractCegarLoop]: Abstraction has 1721 states and 2075 transitions. [2019-10-13 21:20:16,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2019-10-13 21:20:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:16,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,141 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:16,355 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:16,356 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:16,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:16,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1305429528, now seen corresponding path program 1 times [2019-10-13 21:20:16,357 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:16,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708161313] [2019-10-13 21:20:16,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,357 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:16,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 21:20:16,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708161313] [2019-10-13 21:20:16,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758933448] [2019-10-13 21:20:16,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:16,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:17,169 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 21:20:17,894 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,894 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:17,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607631741] [2019-10-13 21:20:17,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:17,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:17,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:17,896 INFO L87 Difference]: Start difference. First operand 1721 states and 2075 transitions. Second operand 8 states. [2019-10-13 21:20:18,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:18,221 INFO L93 Difference]: Finished difference Result 2939 states and 3601 transitions. [2019-10-13 21:20:18,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:18,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-10-13 21:20:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:18,223 INFO L225 Difference]: With dead ends: 2939 [2019-10-13 21:20:18,223 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:18,232 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:18,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:18,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:20:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:18,234 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:18,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:18,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:18,439 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:18,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:19,896 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-10-13 21:20:20,033 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-10-13 21:20:20,284 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-13 21:20:20,920 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-13 21:20:21,168 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-13 21:20:21,467 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-13 21:20:22,008 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-13 21:20:22,570 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-13 21:20:22,714 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-13 21:20:22,865 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-13 21:20:22,969 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-13 21:20:23,289 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-13 21:20:23,501 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-13 21:20:23,837 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-13 21:20:23,910 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point L342(lines 319 343) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2019-10-13 21:20:23,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 387) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L403(lines 376 404) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-10-13 21:20:23,912 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2019-10-13 21:20:23,913 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2019-10-13 21:20:23,913 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2019-10-13 21:20:23,913 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2019-10-13 21:20:23,913 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2019-10-13 21:20:23,913 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2019-10-13 21:20:23,913 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,914 INFO L439 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,914 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,914 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2019-10-13 21:20:23,914 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2019-10-13 21:20:23,914 INFO L439 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,915 INFO L439 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 21:20:23,915 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:20:23,915 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 21:20:23,916 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-13 21:20:23,917 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:23,918 INFO L443 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2019-10-13 21:20:23,918 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:23,918 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:20:23,918 INFO L439 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-13 21:20:23,918 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-10-13 21:20:23,918 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2019-10-13 21:20:23,919 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-13 21:20:23,919 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-10-13 21:20:23,919 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2019-10-13 21:20:23,919 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2019-10-13 21:20:23,919 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-13 21:20:23,919 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-13 21:20:23,919 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point L799-2(lines 799 807) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 795) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point L787-2(lines 787 795) no Hoare annotation was computed. [2019-10-13 21:20:23,920 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 780 815) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 780 815) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 780 815) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2019-10-13 21:20:23,921 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 596) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2019-10-13 21:20:23,922 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,922 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2019-10-13 21:20:23,923 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2019-10-13 21:20:23,923 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2019-10-13 21:20:23,924 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:20:23,924 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-13 21:20:23,924 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-13 21:20:23,924 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:20:23,924 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2019-10-13 21:20:23,924 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:23,924 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-13 21:20:23,924 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2019-10-13 21:20:23,925 INFO L439 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-13 21:20:23,925 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4)) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2019-10-13 21:20:23,925 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2019-10-13 21:20:23,925 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-13 21:20:23,925 INFO L443 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2019-10-13 21:20:23,925 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2019-10-13 21:20:23,925 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2019-10-13 21:20:23,926 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2019-10-13 21:20:23,926 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2019-10-13 21:20:23,926 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:23,926 INFO L439 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:23,926 INFO L439 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:23,926 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-10-13 21:20:23,926 INFO L443 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2019-10-13 21:20:23,927 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2019-10-13 21:20:23,927 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-13 21:20:23,927 INFO L439 ceAbstractionStarter]: At program point L928(lines 877 929) 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))) [2019-10-13 21:20:23,927 INFO L439 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-13 21:20:23,927 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-13 21:20:23,927 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-13 21:20:23,927 INFO L443 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L439 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 543) no Hoare annotation was computed. [2019-10-13 21:20:23,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 550) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2019-10-13 21:20:23,929 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 458) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 509) no Hoare annotation was computed. [2019-10-13 21:20:23,930 INFO L443 ceAbstractionStarter]: For program point L463(lines 462 482) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 500) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L478-1(line 478) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 512) no Hoare annotation was computed. [2019-10-13 21:20:23,931 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point L483(lines 461 484) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 938 947) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 938 947) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 938 947) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,932 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:20:23,932 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,933 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2019-10-13 21:20:23,933 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:23,933 INFO L443 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2019-10-13 21:20:23,933 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:23,933 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2019-10-13 21:20:23,933 INFO L439 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:23,933 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 21:20:23,934 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,935 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 21:20:23,936 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:20:23,936 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:20:23,936 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-13 21:20:23,936 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-13 21:20:23,937 INFO L439 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse7 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-13 21:20:23,937 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2019-10-13 21:20:23,937 INFO L439 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-13 21:20:23,937 INFO L443 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2019-10-13 21:20:23,937 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2019-10-13 21:20:23,937 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-10-13 21:20:23,937 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-13 21:20:23,937 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 21:20:23,938 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-13 21:20:23,938 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-13 21:20:23,938 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 21:20:23,938 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:20:23,939 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:20:23,939 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-10-13 21:20:23,939 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-10-13 21:20:23,939 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,939 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)) [2019-10-13 21:20:23,939 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:23,939 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:23,939 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2019-10-13 21:20:23,940 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:23,940 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-13 21:20:23,940 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2019-10-13 21:20:23,941 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2019-10-13 21:20:23,941 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2019-10-13 21:20:23,941 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2019-10-13 21:20:23,941 INFO L439 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-13 21:20:23,941 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2019-10-13 21:20:23,941 INFO L439 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 21:20:23,941 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-13 21:20:23,941 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2019-10-13 21:20:23,942 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2019-10-13 21:20:23,942 INFO L446 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2019-10-13 21:20:23,942 INFO L443 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-10-13 21:20:23,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:23 BoogieIcfgContainer [2019-10-13 21:20:23,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:23,959 INFO L168 Benchmark]: Toolchain (without parser) took 17314.43 ms. Allocated memory was 138.4 MB in the beginning and 481.8 MB in the end (delta: 343.4 MB). Free memory was 102.8 MB in the beginning and 78.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 376.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,960 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.82 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 170.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,961 INFO L168 Benchmark]: Boogie Preprocessor took 95.81 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,962 INFO L168 Benchmark]: RCFGBuilder took 1304.78 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 197.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,963 INFO L168 Benchmark]: TraceAbstraction took 15220.35 ms. Allocated memory was 235.9 MB in the beginning and 481.8 MB in the end (delta: 245.9 MB). Free memory was 195.5 MB in the beginning and 78.8 MB in the end (delta: 116.7 MB). Peak memory consumption was 371.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:23,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.82 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 170.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.81 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1304.78 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.2 MB in the beginning and 197.0 MB in the end (delta: -30.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15220.35 ms. Allocated memory was 235.9 MB in the beginning and 481.8 MB in the end (delta: 245.9 MB). Free memory was 195.5 MB in the beginning and 78.8 MB in the end (delta: 116.7 MB). Peak memory consumption was 371.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 15.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, HoareTripleCheckerStatistics: 1945 SDtfs, 981 SDslu, 4364 SDs, 0 SdLazy, 1433 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 518 SyntacticMatches, 12 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1788 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4128 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14330 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 225382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1687 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...