java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:05,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:05,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:05,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:05,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:05,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:05,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:05,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:05,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:05,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:05,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:05,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:05,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:05,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:05,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:05,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:05,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:05,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:05,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:05,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:05,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:05,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:05,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:05,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:05,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:05,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:05,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:05,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:05,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:05,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:05,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:05,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:05,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:05,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:05,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:05,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:05,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:05,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:05,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:05,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:05,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:05,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:20:05,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:05,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:05,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:05,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:05,431 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:05,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:05,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:05,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:05,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:05,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:05,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:05,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:05,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:05,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:05,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:05,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:05,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:05,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:05,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:05,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:05,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:05,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:05,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:05,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:05,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:05,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:05,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:05,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:05,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:05,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:05,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:05,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:05,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:05,745 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:05,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-13 21:20:05,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc8e673d/50f148ee13fe403b9c38b13d3fe50712/FLAG230839f09 [2019-10-13 21:20:06,379 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:06,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-13 21:20:06,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc8e673d/50f148ee13fe403b9c38b13d3fe50712/FLAG230839f09 [2019-10-13 21:20:06,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc8e673d/50f148ee13fe403b9c38b13d3fe50712 [2019-10-13 21:20:06,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:06,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:06,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:06,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:06,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:06,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:06" (1/1) ... [2019-10-13 21:20:06,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bddbf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:06, skipping insertion in model container [2019-10-13 21:20:06,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:06" (1/1) ... [2019-10-13 21:20:06,645 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:06,716 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:07,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:07,181 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:07,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:07,344 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:07,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07 WrapperNode [2019-10-13 21:20:07,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:07,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:07,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:07,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:07,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:07,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:07,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:07,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:08,705 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:08,706 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:08,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:08 BoogieIcfgContainer [2019-10-13 21:20:08,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:08,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:08,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:08,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:08,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:06" (1/3) ... [2019-10-13 21:20:08,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ed1b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:08, skipping insertion in model container [2019-10-13 21:20:08,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07" (2/3) ... [2019-10-13 21:20:08,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ed1b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:08, skipping insertion in model container [2019-10-13 21:20:08,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:08" (3/3) ... [2019-10-13 21:20:08,718 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-13 21:20:08,728 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:08,737 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:08,748 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:08,774 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:08,775 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:08,775 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:08,775 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:08,775 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:08,775 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:08,776 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:08,776 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-13 21:20:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:08,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:08,811 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:08,813 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:08,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:08,819 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-10-13 21:20:08,829 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:08,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786801405] [2019-10-13 21:20:08,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,830 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786801405] [2019-10-13 21:20:09,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:09,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095484290] [2019-10-13 21:20:09,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:09,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:09,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:09,222 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-13 21:20:09,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,297 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-10-13 21:20:09,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:09,299 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:09,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,310 INFO L225 Difference]: With dead ends: 280 [2019-10-13 21:20:09,310 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:20:09,315 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:09,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:20:09,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:20:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:20:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-13 21:20:09,386 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-10-13 21:20:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,387 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-13 21:20:09,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-13 21:20:09,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:09,391 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,391 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,392 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-10-13 21:20:09,392 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201930849] [2019-10-13 21:20:09,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,393 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201930849] [2019-10-13 21:20:09,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:09,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577054907] [2019-10-13 21:20:09,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:09,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:09,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:09,536 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-10-13 21:20:09,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,587 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2019-10-13 21:20:09,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:09,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,592 INFO L225 Difference]: With dead ends: 229 [2019-10-13 21:20:09,593 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 21:20:09,597 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 21:20:09,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-13 21:20:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 21:20:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-10-13 21:20:09,624 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-10-13 21:20:09,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,625 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-10-13 21:20:09,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-10-13 21:20:09,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:09,631 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,631 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] [2019-10-13 21:20:09,632 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,632 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-10-13 21:20:09,632 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,633 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520574531] [2019-10-13 21:20:09,633 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,635 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520574531] [2019-10-13 21:20:09,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:09,857 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924406930] [2019-10-13 21:20:09,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:09,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:09,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:09,861 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-10-13 21:20:10,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,213 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-10-13 21:20:10,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:10,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:20:10,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,217 INFO L225 Difference]: With dead ends: 238 [2019-10-13 21:20:10,217 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 21:20:10,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 21:20:10,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 21:20:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-13 21:20:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-13 21:20:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-10-13 21:20:10,234 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-10-13 21:20:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,235 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-10-13 21:20:10,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-10-13 21:20:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:20:10,238 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,238 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] [2019-10-13 21:20:10,239 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-10-13 21:20:10,240 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,240 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676989570] [2019-10-13 21:20:10,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,240 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676989570] [2019-10-13 21:20:10,425 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:10,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833003432] [2019-10-13 21:20:10,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:10,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:10,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:10,427 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-10-13 21:20:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,924 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2019-10-13 21:20:10,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:10,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-13 21:20:10,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,928 INFO L225 Difference]: With dead ends: 334 [2019-10-13 21:20:10,928 INFO L226 Difference]: Without dead ends: 227 [2019-10-13 21:20:10,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-13 21:20:10,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-10-13 21:20:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-13 21:20:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-10-13 21:20:10,959 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-10-13 21:20:10,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,959 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-10-13 21:20:10,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-10-13 21:20:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 21:20:10,962 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,962 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] [2019-10-13 21:20:10,962 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-10-13 21:20:10,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2358998] [2019-10-13 21:20:10,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,964 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,082 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2358998] [2019-10-13 21:20:11,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,082 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:11,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438960198] [2019-10-13 21:20:11,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:11,084 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:11,084 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-10-13 21:20:11,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,375 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2019-10-13 21:20:11,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:11,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-13 21:20:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,382 INFO L225 Difference]: With dead ends: 564 [2019-10-13 21:20:11,382 INFO L226 Difference]: Without dead ends: 379 [2019-10-13 21:20:11,384 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-10-13 21:20:11,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-10-13 21:20:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-13 21:20:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-10-13 21:20:11,450 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-10-13 21:20:11,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,451 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-10-13 21:20:11,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-10-13 21:20:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-13 21:20:11,457 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,457 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] [2019-10-13 21:20:11,457 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,458 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-10-13 21:20:11,458 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666024760] [2019-10-13 21:20:11,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,459 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666024760] [2019-10-13 21:20:11,602 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:11,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765220315] [2019-10-13 21:20:11,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:11,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:11,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:11,605 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-10-13 21:20:12,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,217 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2019-10-13 21:20:12,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:12,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-10-13 21:20:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,221 INFO L225 Difference]: With dead ends: 406 [2019-10-13 21:20:12,222 INFO L226 Difference]: Without dead ends: 403 [2019-10-13 21:20:12,222 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-13 21:20:12,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-10-13 21:20:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-13 21:20:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-10-13 21:20:12,250 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-10-13 21:20:12,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,251 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-10-13 21:20:12,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-10-13 21:20:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,253 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] [2019-10-13 21:20:12,253 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-10-13 21:20:12,254 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278002459] [2019-10-13 21:20:12,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278002459] [2019-10-13 21:20:12,367 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,367 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:12,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843865270] [2019-10-13 21:20:12,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:12,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:12,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:12,369 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-10-13 21:20:12,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,414 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2019-10-13 21:20:12,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:12,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-13 21:20:12,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,419 INFO L225 Difference]: With dead ends: 736 [2019-10-13 21:20:12,419 INFO L226 Difference]: Without dead ends: 387 [2019-10-13 21:20:12,420 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-13 21:20:12,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-10-13 21:20:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-13 21:20:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-10-13 21:20:12,461 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-10-13 21:20:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,462 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-10-13 21:20:12,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-10-13 21:20:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,470 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] [2019-10-13 21:20:12,470 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,471 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-10-13 21:20:12,473 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300828208] [2019-10-13 21:20:12,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300828208] [2019-10-13 21:20:12,571 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:12,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260633244] [2019-10-13 21:20:12,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:12,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:12,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:12,574 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-10-13 21:20:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,621 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2019-10-13 21:20:12,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-13 21:20:12,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,627 INFO L225 Difference]: With dead ends: 756 [2019-10-13 21:20:12,627 INFO L226 Difference]: Without dead ends: 397 [2019-10-13 21:20:12,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:12,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-13 21:20:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-10-13 21:20:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-13 21:20:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-10-13 21:20:12,660 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-10-13 21:20:12,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,660 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-10-13 21:20:12,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-10-13 21:20:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,666 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] [2019-10-13 21:20:12,667 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,667 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-10-13 21:20:12,668 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,668 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646470453] [2019-10-13 21:20:12,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646470453] [2019-10-13 21:20:12,782 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,782 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:12,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142607118] [2019-10-13 21:20:12,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:12,784 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:12,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:12,784 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-10-13 21:20:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,035 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2019-10-13 21:20:13,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:13,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-13 21:20:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,041 INFO L225 Difference]: With dead ends: 1153 [2019-10-13 21:20:13,042 INFO L226 Difference]: Without dead ends: 786 [2019-10-13 21:20:13,044 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-13 21:20:13,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-10-13 21:20:13,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-10-13 21:20:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-10-13 21:20:13,105 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-10-13 21:20:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,108 INFO L462 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-10-13 21:20:13,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-10-13 21:20:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:20:13,112 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,112 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,112 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,113 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-10-13 21:20:13,113 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846567744] [2019-10-13 21:20:13,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:13,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846567744] [2019-10-13 21:20:13,288 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711889843] [2019-10-13 21:20:13,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:13,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:13,705 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,644 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:14,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:14,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917530535] [2019-10-13 21:20:14,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:14,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:14,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:14,646 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 8 states. [2019-10-13 21:20:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,168 INFO L93 Difference]: Finished difference Result 1490 states and 1752 transitions. [2019-10-13 21:20:15,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:15,168 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-13 21:20:15,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,174 INFO L225 Difference]: With dead ends: 1490 [2019-10-13 21:20:15,174 INFO L226 Difference]: Without dead ends: 743 [2019-10-13 21:20:15,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-10-13 21:20:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2019-10-13 21:20:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2019-10-13 21:20:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 855 transitions. [2019-10-13 21:20:15,216 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 855 transitions. Word has length 102 [2019-10-13 21:20:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,216 INFO L462 AbstractCegarLoop]: Abstraction has 743 states and 855 transitions. [2019-10-13 21:20:15,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 855 transitions. [2019-10-13 21:20:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:20:15,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,221 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:15,428 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:15,429 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,429 INFO L82 PathProgramCache]: Analyzing trace with hash -102866443, now seen corresponding path program 1 times [2019-10-13 21:20:15,429 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,430 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307386174] [2019-10-13 21:20:15,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,430 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:15,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307386174] [2019-10-13 21:20:15,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935502623] [2019-10-13 21:20:15,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:15,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:15,864 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:16,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:16,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:20:16,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317783997] [2019-10-13 21:20:16,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:16,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:16,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:16,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:16,138 INFO L87 Difference]: Start difference. First operand 743 states and 855 transitions. Second operand 5 states. [2019-10-13 21:20:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:16,767 INFO L93 Difference]: Finished difference Result 1552 states and 1882 transitions. [2019-10-13 21:20:16,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:16,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-10-13 21:20:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:16,773 INFO L225 Difference]: With dead ends: 1552 [2019-10-13 21:20:16,774 INFO L226 Difference]: Without dead ends: 953 [2019-10-13 21:20:16,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2019-10-13 21:20:16,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 891. [2019-10-13 21:20:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2019-10-13 21:20:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1048 transitions. [2019-10-13 21:20:16,840 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1048 transitions. Word has length 159 [2019-10-13 21:20:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:16,841 INFO L462 AbstractCegarLoop]: Abstraction has 891 states and 1048 transitions. [2019-10-13 21:20:16,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1048 transitions. [2019-10-13 21:20:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:16,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:16,848 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:17,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:17,055 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:17,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2019-10-13 21:20:17,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:17,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505224124] [2019-10-13 21:20:17,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:17,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:17,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505224124] [2019-10-13 21:20:17,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183364628] [2019-10-13 21:20:17,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:17,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:20:17,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:17,831 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:18,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:18,188 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-13 21:20:18,188 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276070621] [2019-10-13 21:20:18,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:18,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:18,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:18,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:20:18,190 INFO L87 Difference]: Start difference. First operand 891 states and 1048 transitions. Second operand 9 states. [2019-10-13 21:20:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:19,593 INFO L93 Difference]: Finished difference Result 2186 states and 2816 transitions. [2019-10-13 21:20:19,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:20:19,594 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-13 21:20:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:19,604 INFO L225 Difference]: With dead ends: 2186 [2019-10-13 21:20:19,604 INFO L226 Difference]: Without dead ends: 1443 [2019-10-13 21:20:19,608 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:20:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2019-10-13 21:20:19,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1163. [2019-10-13 21:20:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2019-10-13 21:20:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1375 transitions. [2019-10-13 21:20:19,688 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1375 transitions. Word has length 155 [2019-10-13 21:20:19,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,688 INFO L462 AbstractCegarLoop]: Abstraction has 1163 states and 1375 transitions. [2019-10-13 21:20:19,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1375 transitions. [2019-10-13 21:20:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:19,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:19,692 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:19,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:19,897 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:19,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:19,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2019-10-13 21:20:19,898 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:19,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275089186] [2019-10-13 21:20:19,898 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:20,032 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275089186] [2019-10-13 21:20:20,033 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:20,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:20:20,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621895044] [2019-10-13 21:20:20,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:20,034 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:20,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:20,034 INFO L87 Difference]: Start difference. First operand 1163 states and 1375 transitions. Second operand 9 states. [2019-10-13 21:20:20,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:20,115 INFO L93 Difference]: Finished difference Result 1551 states and 1828 transitions. [2019-10-13 21:20:20,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:20:20,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-13 21:20:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:20,117 INFO L225 Difference]: With dead ends: 1551 [2019-10-13 21:20:20,118 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:20,122 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 21:20:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:20,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:20,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:20:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:20,124 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:20,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:20,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:20,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:20,940 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-13 21:20:21,236 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2019-10-13 21:20:21,510 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2019-10-13 21:20:21,717 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2019-10-13 21:20:21,871 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-13 21:20:22,059 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-10-13 21:20:22,205 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-10-13 21:20:22,346 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2019-10-13 21:20:22,626 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-13 21:20:22,761 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2019-10-13 21:20:22,928 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-13 21:20:23,152 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-10-13 21:20:23,434 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2019-10-13 21:20:23,687 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2019-10-13 21:20:24,111 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-10-13 21:20:24,274 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-10-13 21:20:24,514 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-13 21:20:25,031 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2019-10-13 21:20:25,202 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2019-10-13 21:20:25,203 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-13 21:20:25,204 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 21:20:25,205 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-13 21:20:25,205 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-13 21:20:25,205 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-13 21:20:25,205 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-13 21:20:25,205 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-10-13 21:20:25,205 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,205 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-10-13 21:20:25,206 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,206 INFO L439 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,206 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-13 21:20:25,206 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-10-13 21:20:25,206 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2019-10-13 21:20:25,206 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,207 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,207 INFO L439 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 21:20:25,207 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2019-10-13 21:20:25,208 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2019-10-13 21:20:25,208 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2019-10-13 21:20:25,209 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2019-10-13 21:20:25,210 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2019-10-13 21:20:25,211 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2019-10-13 21:20:25,212 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2019-10-13 21:20:25,213 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-10-13 21:20:25,213 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:20:25,213 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2019-10-13 21:20:25,213 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2019-10-13 21:20:25,213 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-10-13 21:20:25,213 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2019-10-13 21:20:25,213 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2019-10-13 21:20:25,213 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2019-10-13 21:20:25,214 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2019-10-13 21:20:25,214 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1) .cse6) (or .cse4 .cse1 .cse6 .cse7) (or (or .cse5 .cse1 .cse2) .cse6) (or .cse4 .cse0 .cse1 .cse3) (or .cse6 .cse1 .cse7 .cse2))) [2019-10-13 21:20:25,214 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2019-10-13 21:20:25,214 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:25,214 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,215 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse2 .cse3))) [2019-10-13 21:20:25,215 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-10-13 21:20:25,215 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse2 .cse3))) [2019-10-13 21:20:25,215 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-10-13 21:20:25,215 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-10-13 21:20:25,215 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2019-10-13 21:20:25,215 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2019-10-13 21:20:25,216 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,216 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2019-10-13 21:20:25,216 INFO L439 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:25,216 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-13 21:20:25,216 INFO L439 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 .cse1 .cse5) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse3 .cse2) (and .cse0 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,216 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-10-13 21:20:25,217 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-10-13 21:20:25,217 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,217 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-13 21:20:25,217 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-10-13 21:20:25,217 INFO L439 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and (<= 1 ~methaneLevelCritical~0) (and .cse1 .cse2)) (<= 1 ~waterLevel~0)) (and (and .cse0 .cse1 .cse2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,217 INFO L439 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-10-13 21:20:25,218 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2019-10-13 21:20:25,219 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2019-10-13 21:20:25,220 INFO L443 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2019-10-13 21:20:25,221 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L439 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2019-10-13 21:20:25,222 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:25,223 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-10-13 21:20:25,223 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,224 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse4)) (or (or .cse6 .cse0 .cse5 .cse2) .cse7) (or .cse6 .cse0 .cse2 .cse7 .cse3))) [2019-10-13 21:20:25,224 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-10-13 21:20:25,225 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2019-10-13 21:20:25,225 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2019-10-13 21:20:25,225 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:20:25,225 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:20:25,225 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse1 .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (and .cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2) .cse7) (or .cse7 (or .cse6 .cse2 .cse8) .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse8)))) [2019-10-13 21:20:25,225 INFO L439 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (and (= 1 ~waterLevel~0) .cse6)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse2) (and .cse6 .cse7) (and .cse1 .cse8 .cse6)) (or .cse7 (or .cse5 .cse2 .cse9) (and .cse8 .cse6)) (or .cse1 .cse3 .cse2 .cse4 .cse9) (or .cse1 .cse7 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse9)))) [2019-10-13 21:20:25,225 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2)) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse5 (or .cse6 .cse2 .cse7)))) [2019-10-13 21:20:25,226 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse4 .cse5 .cse2 .cse6) (or .cse3 (or .cse1 .cse2 .cse6)))) [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2019-10-13 21:20:25,226 INFO L446 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-10-13 21:20:25,226 INFO L446 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L446 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2019-10-13 21:20:25,227 INFO L446 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2019-10-13 21:20:25,227 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,227 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:25,228 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:25,228 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:25,228 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-10-13 21:20:25,228 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2019-10-13 21:20:25,228 INFO L439 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:25,228 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2019-10-13 21:20:25,229 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3)) (or .cse2 (not (<= 1 ~waterLevel~0)) .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse2 .cse0 .cse3 (not (= ~waterLevel~0 1))))) [2019-10-13 21:20:25,229 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and .cse2 .cse3)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 (or .cse0 (not .cse2) .cse1 .cse4)))) [2019-10-13 21:20:25,229 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-10-13 21:20:25,229 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or (or .cse6 .cse0 .cse1 .cse2) .cse4))) [2019-10-13 21:20:25,229 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 21:20:25,229 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-10-13 21:20:25,229 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2019-10-13 21:20:25,230 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-10-13 21:20:25,230 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (or .cse1 .cse2)) (or .cse3 .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or .cse3 .cse1)) (or .cse6 .cse3 .cse1 .cse4 .cse5))) [2019-10-13 21:20:25,230 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2019-10-13 21:20:25,230 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2019-10-13 21:20:25,230 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-13 21:20:25,230 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2019-10-13 21:20:25,231 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 21:20:25,231 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:20:25,231 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:20:25,231 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 21:20:25,231 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-10-13 21:20:25,231 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 21:20:25,231 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 21:20:25,231 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:20:25,232 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 21:20:25,232 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 21:20:25,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:25 BoogieIcfgContainer [2019-10-13 21:20:25,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:25,249 INFO L168 Benchmark]: Toolchain (without parser) took 18620.41 ms. Allocated memory was 144.7 MB in the beginning and 498.1 MB in the end (delta: 353.4 MB). Free memory was 100.6 MB in the beginning and 433.5 MB in the end (delta: -332.8 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,250 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.85 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 170.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,252 INFO L168 Benchmark]: Boogie Preprocessor took 86.48 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,253 INFO L168 Benchmark]: RCFGBuilder took 1276.18 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 195.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,254 INFO L168 Benchmark]: TraceAbstraction took 16538.13 ms. Allocated memory was 234.9 MB in the beginning and 498.1 MB in the end (delta: 263.2 MB). Free memory was 195.9 MB in the beginning and 433.5 MB in the end (delta: -237.6 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:25,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.85 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 170.3 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.48 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1276.18 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 195.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16538.13 ms. Allocated memory was 234.9 MB in the beginning and 498.1 MB in the end (delta: 263.2 MB). Free memory was 195.9 MB in the beginning and 433.5 MB in the end (delta: -237.6 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 16.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, HoareTripleCheckerStatistics: 2251 SDtfs, 1561 SDslu, 5539 SDs, 0 SdLazy, 2639 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 977 GetRequests, 858 SyntacticMatches, 12 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1163occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 421 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2186 PreInvPairs, 2255 NumberOfFragments, 2021 HoareAnnotationTreeSize, 2186 FomulaSimplifications, 6968 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8771 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2046 ConstructedInterpolants, 0 QuantifiedInterpolants, 408805 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2538 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 248/268 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...