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_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:58,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:58,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:58,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:58,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:58,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:58,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:58,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:58,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:58,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:58,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:58,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:58,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:58,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:58,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:58,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:58,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:58,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:58,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:58,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:58,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:58,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:58,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:58,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:58,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:58,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:58,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:58,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:58,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:58,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:58,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:58,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:58,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:58,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:58,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:58,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:58,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:58,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:58,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:58,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:58,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:58,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:58,362 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:58,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:58,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:58,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:58,366 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:58,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:58,366 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:58,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:58,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:58,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:58,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:58,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:58,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:58,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:58,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:58,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:58,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:58,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:58,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:58,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:58,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:58,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:58,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:58,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:58,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:58,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:58,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:58,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:58,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:58,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:58,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:58,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:58,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:58,678 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:58,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-13 21:21:58,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92afbd23/ec0485e028f94908ad1cd97014177030/FLAGc047cb554 [2019-10-13 21:21:59,309 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:59,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-13 21:21:59,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92afbd23/ec0485e028f94908ad1cd97014177030/FLAGc047cb554 [2019-10-13 21:21:59,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92afbd23/ec0485e028f94908ad1cd97014177030 [2019-10-13 21:21:59,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:59,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:59,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:59,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:59,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:59,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:59" (1/1) ... [2019-10-13 21:21:59,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aab3225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:59, skipping insertion in model container [2019-10-13 21:21:59,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:59" (1/1) ... [2019-10-13 21:21:59,633 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:59,704 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:00,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:00,270 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:00,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:00,398 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:00,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00 WrapperNode [2019-10-13 21:22:00,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:00,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:00,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:00,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:00,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (1/1) ... [2019-10-13 21:22:00,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:00,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:00,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:00,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:00,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (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 21:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:01,867 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:01,867 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:01,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:01 BoogieIcfgContainer [2019-10-13 21:22:01,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:01,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:01,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:01,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:01,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:59" (1/3) ... [2019-10-13 21:22:01,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6787917a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:01, skipping insertion in model container [2019-10-13 21:22:01,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:00" (2/3) ... [2019-10-13 21:22:01,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6787917a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:01, skipping insertion in model container [2019-10-13 21:22:01,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:01" (3/3) ... [2019-10-13 21:22:01,878 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-13 21:22:01,889 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:01,899 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:01,911 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:01,941 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:01,941 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:01,941 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:01,941 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:01,941 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:01,941 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:01,942 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:01,942 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-13 21:22:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:01,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:01,979 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 21:22:01,981 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:01,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:01,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2019-10-13 21:22:01,997 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:01,998 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269725637] [2019-10-13 21:22:01,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:01,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:01,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:02,417 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 21:22:02,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269725637] [2019-10-13 21:22:02,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:02,419 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:02,420 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313990936] [2019-10-13 21:22:02,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:02,429 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:02,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:02,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:02,449 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-13 21:22:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:02,497 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2019-10-13 21:22:02,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:02,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:02,511 INFO L225 Difference]: With dead ends: 264 [2019-10-13 21:22:02,512 INFO L226 Difference]: Without dead ends: 132 [2019-10-13 21:22:02,517 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 21:22:02,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-13 21:22:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-13 21:22:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-13 21:22:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-13 21:22:02,577 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-13 21:22:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:02,578 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-13 21:22:02,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-13 21:22:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:02,582 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:02,582 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 21:22:02,583 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:02,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2019-10-13 21:22:02,584 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:02,584 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755830805] [2019-10-13 21:22:02,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:02,584 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:02,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:02,737 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 21:22:02,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755830805] [2019-10-13 21:22:02,737 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:02,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:02,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404243312] [2019-10-13 21:22:02,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:02,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:02,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:02,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:02,741 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-10-13 21:22:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:02,765 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2019-10-13 21:22:02,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:02,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:02,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:02,768 INFO L225 Difference]: With dead ends: 203 [2019-10-13 21:22:02,768 INFO L226 Difference]: Without dead ends: 123 [2019-10-13 21:22:02,770 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 21:22:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-13 21:22:02,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-13 21:22:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-13 21:22:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-13 21:22:02,787 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-13 21:22:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:02,787 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-13 21:22:02,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-13 21:22:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:02,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:02,790 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:02,791 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2019-10-13 21:22:02,791 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:02,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258603097] [2019-10-13 21:22:02,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:02,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:02,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:02,961 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 21:22:02,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258603097] [2019-10-13 21:22:02,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:02,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:02,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014985645] [2019-10-13 21:22:02,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:02,965 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:02,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:02,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:02,967 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-10-13 21:22:03,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:03,538 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2019-10-13 21:22:03,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:03,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:03,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:03,550 INFO L225 Difference]: With dead ends: 371 [2019-10-13 21:22:03,550 INFO L226 Difference]: Without dead ends: 272 [2019-10-13 21:22:03,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-10-13 21:22:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2019-10-13 21:22:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-13 21:22:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-13 21:22:03,609 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-13 21:22:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:03,609 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-13 21:22:03,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-13 21:22:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:22:03,619 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:03,620 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:03,620 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:03,621 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2019-10-13 21:22:03,621 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:03,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249137940] [2019-10-13 21:22:03,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:03,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:03,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:03,850 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 21:22:03,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249137940] [2019-10-13 21:22:03,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:03,851 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:03,851 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780711239] [2019-10-13 21:22:03,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:03,852 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:03,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:03,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:03,852 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2019-10-13 21:22:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:04,518 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2019-10-13 21:22:04,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:04,518 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:22:04,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:04,525 INFO L225 Difference]: With dead ends: 920 [2019-10-13 21:22:04,526 INFO L226 Difference]: Without dead ends: 684 [2019-10-13 21:22:04,529 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:04,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-10-13 21:22:04,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2019-10-13 21:22:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2019-10-13 21:22:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2019-10-13 21:22:04,603 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2019-10-13 21:22:04,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:04,607 INFO L462 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2019-10-13 21:22:04,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2019-10-13 21:22:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:22:04,613 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:04,613 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:04,614 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:04,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:04,614 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2019-10-13 21:22:04,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:04,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499170425] [2019-10-13 21:22:04,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:04,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:04,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:04,742 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 21:22:04,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499170425] [2019-10-13 21:22:04,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:04,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:04,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098199730] [2019-10-13 21:22:04,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:04,744 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:04,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:04,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:04,745 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2019-10-13 21:22:04,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:04,948 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2019-10-13 21:22:04,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:04,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:22:04,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:04,953 INFO L225 Difference]: With dead ends: 1086 [2019-10-13 21:22:04,953 INFO L226 Difference]: Without dead ends: 438 [2019-10-13 21:22:04,956 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-10-13 21:22:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2019-10-13 21:22:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-13 21:22:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-10-13 21:22:04,986 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2019-10-13 21:22:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:04,986 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-10-13 21:22:04,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-10-13 21:22:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:22:04,989 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:04,989 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:04,990 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:04,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2019-10-13 21:22:04,990 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:04,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666381514] [2019-10-13 21:22:04,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:04,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:04,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:22:05,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666381514] [2019-10-13 21:22:05,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806839760] [2019-10-13 21:22:05,094 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 21:22:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:05,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:05,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:05,442 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:05,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:05,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [386108910] [2019-10-13 21:22:05,690 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-13 21:22:05,737 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:05,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:05,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:05,803 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:05,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:05,808 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:05,865 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:05,865 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:05,876 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-13 21:22:05,876 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:05,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:05,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:05,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51049928] [2019-10-13 21:22:05,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:05,881 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:05,882 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:05,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:05,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:05,882 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 2 states. [2019-10-13 21:22:05,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:05,890 INFO L93 Difference]: Finished difference Result 426 states and 488 transitions. [2019-10-13 21:22:05,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:05,890 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-13 21:22:05,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:05,890 INFO L225 Difference]: With dead ends: 426 [2019-10-13 21:22:05,891 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:05,892 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 21:22:05,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:05,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:22:05,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:05,894 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:05,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:05,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:06,105 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:06,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:06,405 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2019-10-13 21:22:06,405 INFO L443 ceAbstractionStarter]: For program point L409(lines 386 410) no Hoare annotation was computed. [2019-10-13 21:22:06,405 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2019-10-13 21:22:06,405 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 397) no Hoare annotation was computed. [2019-10-13 21:22:06,405 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2019-10-13 21:22:06,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2019-10-13 21:22:06,406 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-10-13 21:22:06,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2019-10-13 21:22:06,406 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2019-10-13 21:22:06,406 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-13 21:22:06,407 INFO L443 ceAbstractionStarter]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2019-10-13 21:22:06,407 INFO L443 ceAbstractionStarter]: For program point L470(lines 443 471) no Hoare annotation was computed. [2019-10-13 21:22:06,407 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2019-10-13 21:22:06,411 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-13 21:22:06,411 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2019-10-13 21:22:06,411 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 21:22:06,411 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2019-10-13 21:22:06,411 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-13 21:22:06,412 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-13 21:22:06,412 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-13 21:22:06,412 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-13 21:22:06,412 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-13 21:22:06,412 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-10-13 21:22:06,412 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-13 21:22:06,412 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-13 21:22:06,413 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-13 21:22:06,413 INFO L446 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2019-10-13 21:22:06,413 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-13 21:22:06,413 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-13 21:22:06,413 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:22:06,415 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-13 21:22:06,415 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-13 21:22:06,415 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-13 21:22:06,416 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: true [2019-10-13 21:22:06,416 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2019-10-13 21:22:06,416 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-10-13 21:22:06,416 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2019-10-13 21:22:06,417 INFO L446 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: true [2019-10-13 21:22:06,417 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-13 21:22:06,417 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2019-10-13 21:22:06,417 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-13 21:22:06,417 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-10-13 21:22:06,417 INFO L446 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: true [2019-10-13 21:22:06,417 INFO L446 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: true [2019-10-13 21:22:06,417 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2019-10-13 21:22:06,418 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-13 21:22:06,419 INFO L446 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: true [2019-10-13 21:22:06,419 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-13 21:22:06,420 INFO L446 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2019-10-13 21:22:06,420 INFO L446 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: true [2019-10-13 21:22:06,420 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:22:06,420 INFO L446 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2019-10-13 21:22:06,420 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: true [2019-10-13 21:22:06,420 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-13 21:22:06,420 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-13 21:22:06,420 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-13 21:22:06,421 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2019-10-13 21:22:06,421 INFO L446 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2019-10-13 21:22:06,421 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-13 21:22:06,421 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: true [2019-10-13 21:22:06,421 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2019-10-13 21:22:06,421 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2019-10-13 21:22:06,421 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2019-10-13 21:22:06,421 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2019-10-13 21:22:06,422 INFO L443 ceAbstractionStarter]: For program point L826(lines 826 834) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2019-10-13 21:22:06,423 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-13 21:22:06,424 INFO L443 ceAbstractionStarter]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-10-13 21:22:06,424 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2019-10-13 21:22:06,424 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:22:06,424 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 656) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 663) no Hoare annotation was computed. [2019-10-13 21:22:06,425 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2019-10-13 21:22:06,426 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: true [2019-10-13 21:22:06,426 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-13 21:22:06,426 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2019-10-13 21:22:06,426 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2019-10-13 21:22:06,426 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2019-10-13 21:22:06,426 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2019-10-13 21:22:06,426 INFO L446 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2019-10-13 21:22:06,426 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-10-13 21:22:06,427 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2019-10-13 21:22:06,427 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2019-10-13 21:22:06,427 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2019-10-13 21:22:06,427 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-10-13 21:22:06,427 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2019-10-13 21:22:06,427 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2019-10-13 21:22:06,427 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: true [2019-10-13 21:22:06,428 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-13 21:22:06,428 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-10-13 21:22:06,428 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-10-13 21:22:06,428 INFO L446 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: true [2019-10-13 21:22:06,428 INFO L443 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2019-10-13 21:22:06,428 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-10-13 21:22:06,428 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2019-10-13 21:22:06,429 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2019-10-13 21:22:06,429 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: true [2019-10-13 21:22:06,429 INFO L446 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: true [2019-10-13 21:22:06,429 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2019-10-13 21:22:06,429 INFO L446 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2019-10-13 21:22:06,429 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-13 21:22:06,429 INFO L446 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: true [2019-10-13 21:22:06,429 INFO L443 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-10-13 21:22:06,430 INFO L446 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2019-10-13 21:22:06,430 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-10-13 21:22:06,430 INFO L446 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2019-10-13 21:22:06,430 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-10-13 21:22:06,430 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2019-10-13 21:22:06,430 INFO L446 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: true [2019-10-13 21:22:06,430 INFO L446 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: true [2019-10-13 21:22:06,431 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-13 21:22:06,431 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2019-10-13 21:22:06,431 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-13 21:22:06,431 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2019-10-13 21:22:06,431 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 610) no Hoare annotation was computed. [2019-10-13 21:22:06,433 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2019-10-13 21:22:06,433 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 617) no Hoare annotation was computed. [2019-10-13 21:22:06,433 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2019-10-13 21:22:06,433 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2019-10-13 21:22:06,434 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2019-10-13 21:22:06,434 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 284) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:22:06,435 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-13 21:22:06,436 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 21:22:06,436 INFO L443 ceAbstractionStarter]: For program point L545-1(line 545) no Hoare annotation was computed. [2019-10-13 21:22:06,436 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2019-10-13 21:22:06,436 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 508) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 579) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L550(lines 528 551) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 525) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-10-13 21:22:06,437 INFO L443 ceAbstractionStarter]: For program point L530(lines 529 549) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 567) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,438 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:22:06,438 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 787) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point L779(line 779) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-13 21:22:06,439 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2019-10-13 21:22:06,440 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: true [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,441 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-13 21:22:06,442 INFO L446 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: true [2019-10-13 21:22:06,442 INFO L446 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: true [2019-10-13 21:22:06,442 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: true [2019-10-13 21:22:06,442 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2019-10-13 21:22:06,442 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2019-10-13 21:22:06,442 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2019-10-13 21:22:06,443 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 21:22:06,443 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2019-10-13 21:22:06,443 INFO L446 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2019-10-13 21:22:06,444 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2019-10-13 21:22:06,444 INFO L446 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2019-10-13 21:22:06,444 INFO L443 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2019-10-13 21:22:06,444 INFO L446 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2019-10-13 21:22:06,444 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 21:22:06,444 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 21:22:06,444 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2019-10-13 21:22:06,444 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2019-10-13 21:22:06,445 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2019-10-13 21:22:06,445 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2019-10-13 21:22:06,445 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2019-10-13 21:22:06,445 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2019-10-13 21:22:06,445 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2019-10-13 21:22:06,445 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2019-10-13 21:22:06,445 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2019-10-13 21:22:06,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,446 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:06,446 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:06,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:06,446 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2019-10-13 21:22:06,447 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: true [2019-10-13 21:22:06,447 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2019-10-13 21:22:06,447 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2019-10-13 21:22:06,447 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2019-10-13 21:22:06,447 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: true [2019-10-13 21:22:06,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2019-10-13 21:22:06,447 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2019-10-13 21:22:06,447 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-13 21:22:06,448 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2019-10-13 21:22:06,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:06 BoogieIcfgContainer [2019-10-13 21:22:06,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:06,462 INFO L168 Benchmark]: Toolchain (without parser) took 6844.53 ms. Allocated memory was 143.7 MB in the beginning and 295.7 MB in the end (delta: 152.0 MB). Free memory was 100.3 MB in the beginning and 139.5 MB in the end (delta: -39.2 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,463 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.43 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 169.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,464 INFO L168 Benchmark]: Boogie Preprocessor took 107.11 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,465 INFO L168 Benchmark]: RCFGBuilder took 1361.83 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 196.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,466 INFO L168 Benchmark]: TraceAbstraction took 4588.67 ms. Allocated memory was 234.4 MB in the beginning and 295.7 MB in the end (delta: 61.3 MB). Free memory was 195.4 MB in the beginning and 139.5 MB in the end (delta: 55.9 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:06,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.7 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.43 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 100.1 MB in the beginning and 169.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.11 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1361.83 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.9 MB in the beginning and 196.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4588.67 ms. Allocated memory was 234.4 MB in the beginning and 295.7 MB in the end (delta: 61.3 MB). Free memory was 195.4 MB in the beginning and 139.5 MB in the end (delta: 55.9 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 749 SDtfs, 551 SDslu, 1767 SDs, 0 SdLazy, 593 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 731 PreInvPairs, 732 NumberOfFragments, 64 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 119, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...