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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:17,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:17,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:17,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:17,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:17,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:17,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:17,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:17,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:17,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:17,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:17,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:17,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:17,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:17,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:17,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:17,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:17,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:17,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:17,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:17,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:17,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:17,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:17,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:17,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:17,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:17,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:17,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:17,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:17,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:17,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:17,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:17,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:17,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:17,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:17,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:17,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:17,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:17,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:17,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:17,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:17,421 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 21:21:17,439 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:17,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:17,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:17,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:17,441 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:17,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:17,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:17,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:17,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:17,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:17,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:17,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:17,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:17,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:17,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:17,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:17,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:17,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:17,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:17,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:17,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:17,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:17,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:17,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:17,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:17,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:17,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:17,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:17,446 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 21:21:17,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:17,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:17,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:17,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:17,763 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:17,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-10-13 21:21:17,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b69569/0b2cc5ab00b04331a006110b5b62d50c/FLAG25a97ad59 [2019-10-13 21:21:18,293 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:18,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-10-13 21:21:18,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b69569/0b2cc5ab00b04331a006110b5b62d50c/FLAG25a97ad59 [2019-10-13 21:21:18,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d94b69569/0b2cc5ab00b04331a006110b5b62d50c [2019-10-13 21:21:18,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:18,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:18,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:18,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:18,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:18,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:18" (1/1) ... [2019-10-13 21:21:18,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b043f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:18, skipping insertion in model container [2019-10-13 21:21:18,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:18" (1/1) ... [2019-10-13 21:21:18,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:18,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:19,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:19,153 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:19,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:19,291 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:19,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19 WrapperNode [2019-10-13 21:21:19,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:19,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:19,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:19,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:19,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (1/1) ... [2019-10-13 21:21:19,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:19,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:19,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:19,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:19,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (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 21:21:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:20,446 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:20,447 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:20,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:20 BoogieIcfgContainer [2019-10-13 21:21:20,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:20,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:20,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:20,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:18" (1/3) ... [2019-10-13 21:21:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4587befd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:20, skipping insertion in model container [2019-10-13 21:21:20,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:19" (2/3) ... [2019-10-13 21:21:20,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4587befd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:20, skipping insertion in model container [2019-10-13 21:21:20,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:20" (3/3) ... [2019-10-13 21:21:20,457 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2019-10-13 21:21:20,467 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:20,478 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:20,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:20,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:20,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:20,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:20,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:20,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:20,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:20,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:20,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2019-10-13 21:21:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:20,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:20,555 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 21:21:20,557 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:20,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:20,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2019-10-13 21:21:20,572 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:20,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822806973] [2019-10-13 21:21:20,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:20,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:20,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:20,930 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 21:21:20,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822806973] [2019-10-13 21:21:20,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:20,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:20,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101943580] [2019-10-13 21:21:20,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:20,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:20,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:20,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:20,966 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2019-10-13 21:21:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:21,033 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2019-10-13 21:21:21,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:21,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:21,053 INFO L225 Difference]: With dead ends: 254 [2019-10-13 21:21:21,053 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 21:21:21,058 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 21:21:21,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 21:21:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-13 21:21:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 21:21:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2019-10-13 21:21:21,122 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2019-10-13 21:21:21,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:21,123 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2019-10-13 21:21:21,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2019-10-13 21:21:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:21,134 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:21,134 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] [2019-10-13 21:21:21,134 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:21,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:21,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2019-10-13 21:21:21,135 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:21,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918698588] [2019-10-13 21:21:21,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,136 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:21,273 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 21:21:21,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918698588] [2019-10-13 21:21:21,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:21,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:21,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542825828] [2019-10-13 21:21:21,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:21,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:21,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:21,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:21,277 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2019-10-13 21:21:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:21,309 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2019-10-13 21:21:21,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:21,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:21,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:21,313 INFO L225 Difference]: With dead ends: 199 [2019-10-13 21:21:21,314 INFO L226 Difference]: Without dead ends: 118 [2019-10-13 21:21:21,318 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 21:21:21,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-13 21:21:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-13 21:21:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-13 21:21:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2019-10-13 21:21:21,340 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2019-10-13 21:21:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:21,340 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2019-10-13 21:21:21,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2019-10-13 21:21:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 21:21:21,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:21,345 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] [2019-10-13 21:21:21,346 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:21,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:21,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2019-10-13 21:21:21,346 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:21,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453993970] [2019-10-13 21:21:21,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:21,502 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 21:21:21,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453993970] [2019-10-13 21:21:21,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:21,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:21,503 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117868874] [2019-10-13 21:21:21,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:21,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:21,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:21,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:21,507 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2019-10-13 21:21:21,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:21,791 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2019-10-13 21:21:21,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:21,792 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 21:21:21,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:21,794 INFO L225 Difference]: With dead ends: 212 [2019-10-13 21:21:21,794 INFO L226 Difference]: Without dead ends: 118 [2019-10-13 21:21:21,795 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-13 21:21:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-13 21:21:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-13 21:21:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2019-10-13 21:21:21,808 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2019-10-13 21:21:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:21,808 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2019-10-13 21:21:21,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2019-10-13 21:21:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 21:21:21,810 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:21,810 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, 1, 1, 1, 1, 1] [2019-10-13 21:21:21,810 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:21,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:21,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2019-10-13 21:21:21,811 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:21,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109306264] [2019-10-13 21:21:21,811 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,812 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:21,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:21,922 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 21:21:21,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109306264] [2019-10-13 21:21:21,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:21,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:21,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496016970] [2019-10-13 21:21:21,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:21,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:21,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:21,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:21,925 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2019-10-13 21:21:22,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:22,390 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2019-10-13 21:21:22,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:22,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-13 21:21:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:22,395 INFO L225 Difference]: With dead ends: 314 [2019-10-13 21:21:22,395 INFO L226 Difference]: Without dead ends: 220 [2019-10-13 21:21:22,396 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-10-13 21:21:22,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2019-10-13 21:21:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-13 21:21:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2019-10-13 21:21:22,447 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2019-10-13 21:21:22,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:22,447 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2019-10-13 21:21:22,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:22,448 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2019-10-13 21:21:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 21:21:22,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:22,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:22,452 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:22,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:22,452 INFO L82 PathProgramCache]: Analyzing trace with hash 362669874, now seen corresponding path program 1 times [2019-10-13 21:21:22,453 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:22,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862727086] [2019-10-13 21:21:22,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:22,584 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 21:21:22,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862727086] [2019-10-13 21:21:22,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:22,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:22,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570699518] [2019-10-13 21:21:22,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:22,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:22,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:22,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:22,586 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 6 states. [2019-10-13 21:21:22,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:22,784 INFO L93 Difference]: Finished difference Result 505 states and 606 transitions. [2019-10-13 21:21:22,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:22,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-10-13 21:21:22,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:22,788 INFO L225 Difference]: With dead ends: 505 [2019-10-13 21:21:22,789 INFO L226 Difference]: Without dead ends: 328 [2019-10-13 21:21:22,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 21:21:22,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-13 21:21:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2019-10-13 21:21:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-13 21:21:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 376 transitions. [2019-10-13 21:21:22,836 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 376 transitions. Word has length 80 [2019-10-13 21:21:22,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:22,836 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 376 transitions. [2019-10-13 21:21:22,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 376 transitions. [2019-10-13 21:21:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:22,838 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:22,839 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, 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 21:21:22,839 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:22,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:22,839 INFO L82 PathProgramCache]: Analyzing trace with hash 871612076, now seen corresponding path program 1 times [2019-10-13 21:21:22,840 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:22,840 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949430812] [2019-10-13 21:21:22,840 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,840 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:22,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:22,983 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 21:21:22,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949430812] [2019-10-13 21:21:22,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:22,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:22,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310583182] [2019-10-13 21:21:22,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:22,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:22,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:22,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:22,986 INFO L87 Difference]: Start difference. First operand 324 states and 376 transitions. Second operand 6 states. [2019-10-13 21:21:23,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:23,193 INFO L93 Difference]: Finished difference Result 673 states and 808 transitions. [2019-10-13 21:21:23,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:23,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:21:23,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:23,200 INFO L225 Difference]: With dead ends: 673 [2019-10-13 21:21:23,200 INFO L226 Difference]: Without dead ends: 496 [2019-10-13 21:21:23,202 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 21:21:23,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-13 21:21:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 478. [2019-10-13 21:21:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-13 21:21:23,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 565 transitions. [2019-10-13 21:21:23,254 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 565 transitions. Word has length 84 [2019-10-13 21:21:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:23,255 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 565 transitions. [2019-10-13 21:21:23,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 565 transitions. [2019-10-13 21:21:23,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:23,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:23,261 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, 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 21:21:23,261 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:23,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:23,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2019-10-13 21:21:23,261 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:23,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964596261] [2019-10-13 21:21:23,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,262 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:23,340 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 21:21:23,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964596261] [2019-10-13 21:21:23,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:23,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:23,342 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727881808] [2019-10-13 21:21:23,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:23,343 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:23,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:23,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:23,343 INFO L87 Difference]: Start difference. First operand 478 states and 565 transitions. Second operand 5 states. [2019-10-13 21:21:23,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:23,399 INFO L93 Difference]: Finished difference Result 819 states and 986 transitions. [2019-10-13 21:21:23,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:23,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-10-13 21:21:23,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:23,405 INFO L225 Difference]: With dead ends: 819 [2019-10-13 21:21:23,405 INFO L226 Difference]: Without dead ends: 488 [2019-10-13 21:21:23,406 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:23,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-13 21:21:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 482. [2019-10-13 21:21:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-13 21:21:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2019-10-13 21:21:23,443 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2019-10-13 21:21:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:23,444 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2019-10-13 21:21:23,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:23,444 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2019-10-13 21:21:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:23,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:23,454 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, 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 21:21:23,454 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:23,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2019-10-13 21:21:23,455 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:23,455 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623823258] [2019-10-13 21:21:23,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:23,600 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 21:21:23,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623823258] [2019-10-13 21:21:23,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:23,601 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:23,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340770724] [2019-10-13 21:21:23,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:23,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:23,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:23,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:23,606 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2019-10-13 21:21:23,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:23,680 INFO L93 Difference]: Finished difference Result 957 states and 1150 transitions. [2019-10-13 21:21:23,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:23,680 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2019-10-13 21:21:23,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:23,685 INFO L225 Difference]: With dead ends: 957 [2019-10-13 21:21:23,685 INFO L226 Difference]: Without dead ends: 499 [2019-10-13 21:21:23,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-13 21:21:23,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 489. [2019-10-13 21:21:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-13 21:21:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 575 transitions. [2019-10-13 21:21:23,719 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 575 transitions. Word has length 84 [2019-10-13 21:21:23,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:23,719 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 575 transitions. [2019-10-13 21:21:23,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 575 transitions. [2019-10-13 21:21:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:21:23,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:23,725 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] [2019-10-13 21:21:23,725 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:23,726 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2019-10-13 21:21:23,726 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:23,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347855380] [2019-10-13 21:21:23,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:23,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:23,845 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 21:21:23,845 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347855380] [2019-10-13 21:21:23,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378160572] [2019-10-13 21:21:23,847 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 21:21:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:24,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 21:21:24,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:24,196 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 21:21:24,197 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:24,578 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 21:21:24,579 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:24,579 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 21:21:24,579 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047304116] [2019-10-13 21:21:24,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:24,580 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:24,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:24,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:24,581 INFO L87 Difference]: Start difference. First operand 489 states and 575 transitions. Second operand 8 states. [2019-10-13 21:21:25,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:25,002 INFO L93 Difference]: Finished difference Result 1384 states and 1661 transitions. [2019-10-13 21:21:25,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:25,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2019-10-13 21:21:25,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:25,007 INFO L225 Difference]: With dead ends: 1384 [2019-10-13 21:21:25,008 INFO L226 Difference]: Without dead ends: 919 [2019-10-13 21:21:25,009 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:25,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2019-10-13 21:21:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 916. [2019-10-13 21:21:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2019-10-13 21:21:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1078 transitions. [2019-10-13 21:21:25,059 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1078 transitions. Word has length 96 [2019-10-13 21:21:25,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:25,060 INFO L462 AbstractCegarLoop]: Abstraction has 916 states and 1078 transitions. [2019-10-13 21:21:25,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1078 transitions. [2019-10-13 21:21:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:25,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:25,063 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] [2019-10-13 21:21:25,269 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:25,270 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:25,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:25,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times [2019-10-13 21:21:25,271 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:25,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342390887] [2019-10-13 21:21:25,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,272 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:25,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342390887] [2019-10-13 21:21:25,374 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:25,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:25,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604998110] [2019-10-13 21:21:25,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:25,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:25,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:25,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:25,376 INFO L87 Difference]: Start difference. First operand 916 states and 1078 transitions. Second operand 10 states. [2019-10-13 21:21:25,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:25,641 INFO L93 Difference]: Finished difference Result 1756 states and 2103 transitions. [2019-10-13 21:21:25,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:25,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2019-10-13 21:21:25,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:25,646 INFO L225 Difference]: With dead ends: 1756 [2019-10-13 21:21:25,646 INFO L226 Difference]: Without dead ends: 864 [2019-10-13 21:21:25,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2019-10-13 21:21:25,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 850. [2019-10-13 21:21:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2019-10-13 21:21:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 986 transitions. [2019-10-13 21:21:25,689 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 986 transitions. Word has length 100 [2019-10-13 21:21:25,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:25,689 INFO L462 AbstractCegarLoop]: Abstraction has 850 states and 986 transitions. [2019-10-13 21:21:25,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 986 transitions. [2019-10-13 21:21:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:25,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:25,692 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] [2019-10-13 21:21:25,693 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:25,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2019-10-13 21:21:25,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:25,693 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645585421] [2019-10-13 21:21:25,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:25,798 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 21:21:25,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645585421] [2019-10-13 21:21:25,799 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:25,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:25,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126794560] [2019-10-13 21:21:25,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:25,800 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:25,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:25,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:25,801 INFO L87 Difference]: Start difference. First operand 850 states and 986 transitions. Second operand 10 states. [2019-10-13 21:21:26,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:26,020 INFO L93 Difference]: Finished difference Result 1677 states and 1950 transitions. [2019-10-13 21:21:26,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:26,021 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2019-10-13 21:21:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:26,022 INFO L225 Difference]: With dead ends: 1677 [2019-10-13 21:21:26,022 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:26,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:26,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:26,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 21:21:26,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:26,027 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:26,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:26,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:26,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:26,666 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-10-13 21:21:26,786 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-10-13 21:21:27,210 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-10-13 21:21:27,727 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-10-13 21:21:27,895 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2019-10-13 21:21:28,336 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-10-13 21:21:28,553 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-10-13 21:21:28,661 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-10-13 21:21:28,984 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-13 21:21:29,509 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-10-13 21:21:30,366 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point L636(lines 613 637) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2019-10-13 21:21:30,401 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L697(lines 670 698) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L690-1(line 690) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 681) no Hoare annotation was computed. [2019-10-13 21:21:30,402 INFO L443 ceAbstractionStarter]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2019-10-13 21:21:30,403 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2019-10-13 21:21:30,403 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:21:30,403 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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 21:21:30,404 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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 21:21:30,404 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 21:21:30,404 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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 21:21:30,404 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:30,404 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:30,404 INFO L439 ceAbstractionStarter]: At program point L132(line 132) 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)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 21:21:30,405 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) 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)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:30,405 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:21:30,406 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 361) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 349) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2019-10-13 21:21:30,407 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point L364-1(line 364) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2019-10-13 21:21:30,408 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 890) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:30,409 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2019-10-13 21:21:30,410 INFO L446 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2019-10-13 21:21:30,410 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2019-10-13 21:21:30,411 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2019-10-13 21:21:30,411 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2019-10-13 21:21:30,411 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2019-10-13 21:21:30,411 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:21:30,411 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse2))) [2019-10-13 21:21:30,411 INFO L439 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse1))) [2019-10-13 21:21:30,411 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:21:30,412 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2019-10-13 21:21:30,412 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 1 processEnvironment_~tmp~2) .cse7)) (.cse3 (and (not (= ~waterLevel~0 2)) .cse7)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse0 .cse4 .cse3 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse4 .cse5)))) [2019-10-13 21:21:30,412 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:21:30,412 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse2 .cse3))) [2019-10-13 21:21:30,412 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-13 21:21:30,413 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-10-13 21:21:30,413 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2019-10-13 21:21:30,413 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2019-10-13 21:21:30,413 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 145 210) 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 21:21:30,413 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-13 21:21:30,413 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2019-10-13 21:21:30,413 INFO L439 ceAbstractionStarter]: At program point L203(lines 154 204) 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 21:21:30,413 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-13 21:21:30,414 INFO L439 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-13 21:21:30,414 INFO L443 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2019-10-13 21:21:30,414 INFO L439 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-13 21:21:30,414 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2019-10-13 21:21:30,414 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-13 21:21:30,415 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-10-13 21:21:30,415 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2019-10-13 21:21:30,415 INFO L439 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-13 21:21:30,415 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-13 21:21:30,415 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-13 21:21:30,415 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2019-10-13 21:21:30,415 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 837) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 844) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-13 21:21:30,416 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 462) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2019-10-13 21:21:30,417 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 806) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L777(lines 755 778) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 752) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 803) no Hoare annotation was computed. [2019-10-13 21:21:30,418 INFO L443 ceAbstractionStarter]: For program point L757(lines 756 776) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 794) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,419 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:30,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,420 INFO L439 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-10-13 21:21:30,420 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2019-10-13 21:21:30,420 INFO L443 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2019-10-13 21:21:30,420 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-13 21:21:30,420 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2019-10-13 21:21:30,420 INFO L439 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-13 21:21:30,420 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L446 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2019-10-13 21:21:30,421 INFO L443 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L443 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2019-10-13 21:21:30,421 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2019-10-13 21:21:30,421 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse5 .cse3 .cse0) (or .cse2 .cse3 .cse6 .cse4))) [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,422 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,423 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse3) (or .cse4 .cse7 .cse1 .cse9 .cse2) (or .cse8 .cse2 .cse5 .cse6 .cse3) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse4 .cse7 .cse8 .cse2 .cse9) (or .cse8 .cse2 .cse3 .cse10) (or .cse4 .cse5 .cse8 .cse2 .cse6) (or .cse10 .cse4 .cse8 .cse2) (or .cse7 .cse1 .cse2 .cse9 .cse3))) [2019-10-13 21:21:30,423 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse4 .cse7 .cse8 .cse2) (or .cse4 .cse9 .cse1 .cse10 .cse2) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse1 .cse2 .cse10 .cse3))) [2019-10-13 21:21:30,423 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2019-10-13 21:21:30,423 INFO L439 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~waterLevel~0)| 2)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~waterLevel~0 2))) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse2 .cse8 .cse3 .cse9) (or .cse5 .cse2 .cse6 .cse3 .cse10) (or .cse5 .cse1 .cse2 .cse0 .cse3) (or .cse2 .cse8 .cse3 .cse9 .cse4) (or .cse2 .cse3 (and .cse0 .cse10) .cse4 .cse6) (or .cse6 .cse7 .cse3 .cse4))) [2019-10-13 21:21:30,424 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2019-10-13 21:21:30,424 INFO L439 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse5 .cse1))) [2019-10-13 21:21:30,424 INFO L443 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2019-10-13 21:21:30,424 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:21:30,424 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:21:30,424 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:30,424 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:21:30,424 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:21:30,425 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:21:30,425 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:21:30,425 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:21:30,425 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:21:30,425 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:30,425 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2019-10-13 21:21:30,425 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2019-10-13 21:21:30,425 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2019-10-13 21:21:30,426 INFO L439 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2019-10-13 21:21:30,426 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2019-10-13 21:21:30,426 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-13 21:21:30,426 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2019-10-13 21:21:30,426 INFO L439 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2019-10-13 21:21:30,426 INFO L443 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L439 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2019-10-13 21:21:30,427 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-10-13 21:21:30,427 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-13 21:21:30,427 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2019-10-13 21:21:30,428 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2019-10-13 21:21:30,428 INFO L443 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2019-10-13 21:21:30,428 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:21:30,428 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:21:30,428 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,428 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 21:21:30,428 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:30,428 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:30,429 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2019-10-13 21:21:30,429 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse1 .cse4 .cse3 .cse0) (or .cse2 .cse3 .cse5 .cse0))) [2019-10-13 21:21:30,429 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2019-10-13 21:21:30,429 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2019-10-13 21:21:30,429 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2019-10-13 21:21:30,429 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse1) (or .cse7 .cse5 .cse1 .cse8 .cse4) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse2 .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse8 .cse4) (or .cse6 .cse5 .cse2 .cse1 .cse3))) [2019-10-13 21:21:30,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2019-10-13 21:21:30,430 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2019-10-13 21:21:30,430 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-10-13 21:21:30,430 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2019-10-13 21:21:30,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:30 BoogieIcfgContainer [2019-10-13 21:21:30,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:30,447 INFO L168 Benchmark]: Toolchain (without parser) took 11784.61 ms. Allocated memory was 140.0 MB in the beginning and 363.9 MB in the end (delta: 223.9 MB). Free memory was 101.9 MB in the beginning and 123.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 239.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,447 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.54 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 101.7 MB in the beginning and 171.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,449 INFO L168 Benchmark]: Boogie Preprocessor took 80.81 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,450 INFO L168 Benchmark]: RCFGBuilder took 1073.63 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 199.6 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,451 INFO L168 Benchmark]: TraceAbstraction took 9995.24 ms. Allocated memory was 234.4 MB in the beginning and 363.9 MB in the end (delta: 129.5 MB). Free memory was 199.6 MB in the beginning and 123.3 MB in the end (delta: 76.3 MB). Peak memory consumption was 243.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:30,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.54 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 101.7 MB in the beginning and 171.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.81 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1073.63 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 167.0 MB in the beginning and 199.6 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9995.24 ms. Allocated memory was 234.4 MB in the beginning and 363.9 MB in the end (delta: 129.5 MB). Free memory was 199.6 MB in the beginning and 123.3 MB in the end (delta: 76.3 MB). Peak memory consumption was 243.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((1 == systemActive && !(waterLevel == 2)) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, HoareTripleCheckerStatistics: 1706 SDtfs, 745 SDslu, 6144 SDs, 0 SdLazy, 1068 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 302 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 74 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1671 PreInvPairs, 1785 NumberOfFragments, 2224 HoareAnnotationTreeSize, 1671 FomulaSimplifications, 1547 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 7967 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 153505 SizeOfPredicates, 6 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 11/15 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...