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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:55,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:55,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:55,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:55,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:55,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:55,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:55,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:55,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:55,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:55,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:55,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:55,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:55,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:55,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:55,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:55,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:55,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:55,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:55,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:55,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:55,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:55,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:55,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:55,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:55,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:55,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:55,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:55,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:55,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:55,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:55,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:55,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:55,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:55,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:55,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:55,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:55,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:55,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:55,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:55,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:55,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:55,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:55,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:55,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:55,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:55,389 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:55,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:55,390 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:55,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:55,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:55,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:55,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:55,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:55,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:55,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:55,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:55,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:55,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:55,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:55,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:55,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:55,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:55,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:55,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:55,394 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 21:21:55,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:55,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:55,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:55,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:55,714 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:55,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-13 21:21:55,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b4521ed/48a832a154614255ad68c83f61ba04c3/FLAGbc79267c2 [2019-10-13 21:21:56,335 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:56,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-10-13 21:21:56,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b4521ed/48a832a154614255ad68c83f61ba04c3/FLAGbc79267c2 [2019-10-13 21:21:56,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b4521ed/48a832a154614255ad68c83f61ba04c3 [2019-10-13 21:21:56,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:56,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:56,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:56,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:56,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:56,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:56" (1/1) ... [2019-10-13 21:21:56,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:56, skipping insertion in model container [2019-10-13 21:21:56,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:56" (1/1) ... [2019-10-13 21:21:56,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:56,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:57,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:57,199 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:57,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:57,359 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:57,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57 WrapperNode [2019-10-13 21:21:57,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:57,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:57,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:57,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:57,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... [2019-10-13 21:21:57,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:57,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:57,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:57,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:57,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:58,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:58,550 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:58,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:58 BoogieIcfgContainer [2019-10-13 21:21:58,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:58,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:58,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:58,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:58,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:56" (1/3) ... [2019-10-13 21:21:58,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e8448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:58, skipping insertion in model container [2019-10-13 21:21:58,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:57" (2/3) ... [2019-10-13 21:21:58,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e8448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:58, skipping insertion in model container [2019-10-13 21:21:58,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:58" (3/3) ... [2019-10-13 21:21:58,563 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2019-10-13 21:21:58,573 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:58,583 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:58,594 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:58,621 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:58,621 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:58,621 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:58,621 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:58,622 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:58,622 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:58,622 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:58,622 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2019-10-13 21:21:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:58,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:58,653 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 21:21:58,655 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:58,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:58,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2019-10-13 21:21:58,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:58,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901544409] [2019-10-13 21:21:58,672 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:58,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901544409] [2019-10-13 21:21:58,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:58,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:58,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189386451] [2019-10-13 21:21:59,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:59,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:59,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:59,021 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2019-10-13 21:21:59,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,061 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2019-10-13 21:21:59,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:59,062 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:59,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,076 INFO L225 Difference]: With dead ends: 216 [2019-10-13 21:21:59,076 INFO L226 Difference]: Without dead ends: 108 [2019-10-13 21:21:59,080 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:59,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-13 21:21:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-13 21:21:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 21:21:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2019-10-13 21:21:59,135 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2019-10-13 21:21:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,136 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2019-10-13 21:21:59,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2019-10-13 21:21:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:59,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,140 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 21:21:59,140 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,141 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2019-10-13 21:21:59,141 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598745628] [2019-10-13 21:21:59,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:59,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598745628] [2019-10-13 21:21:59,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:59,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432125142] [2019-10-13 21:21:59,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:59,294 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,295 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 3 states. [2019-10-13 21:21:59,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,323 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2019-10-13 21:21:59,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:59,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:59,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,326 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:21:59,327 INFO L226 Difference]: Without dead ends: 99 [2019-10-13 21:21:59,329 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-13 21:21:59,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-13 21:21:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 21:21:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2019-10-13 21:21:59,355 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2019-10-13 21:21:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,356 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2019-10-13 21:21:59,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2019-10-13 21:21:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:59,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,359 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:59,359 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,359 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2019-10-13 21:21:59,360 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009313863] [2019-10-13 21:21:59,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:59,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009313863] [2019-10-13 21:21:59,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:59,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623438579] [2019-10-13 21:21:59,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:59,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:59,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:59,531 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 7 states. [2019-10-13 21:21:59,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,857 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2019-10-13 21:21:59,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:59,858 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:59,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,860 INFO L225 Difference]: With dead ends: 174 [2019-10-13 21:21:59,861 INFO L226 Difference]: Without dead ends: 99 [2019-10-13 21:21:59,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:59,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-10-13 21:21:59,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-10-13 21:21:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 21:21:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2019-10-13 21:21:59,885 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2019-10-13 21:21:59,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,885 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2019-10-13 21:21:59,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2019-10-13 21:21:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:21:59,888 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,888 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] [2019-10-13 21:21:59,889 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,889 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2019-10-13 21:21:59,889 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,890 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140034837] [2019-10-13 21:21:59,890 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,890 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:00,154 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 21:22:00,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140034837] [2019-10-13 21:22:00,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:00,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:00,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600530896] [2019-10-13 21:22:00,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:00,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:00,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:00,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:00,157 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 10 states. [2019-10-13 21:22:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:00,763 INFO L93 Difference]: Finished difference Result 304 states and 369 transitions. [2019-10-13 21:22:00,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:00,764 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-13 21:22:00,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:00,772 INFO L225 Difference]: With dead ends: 304 [2019-10-13 21:22:00,773 INFO L226 Difference]: Without dead ends: 229 [2019-10-13 21:22:00,774 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 21:22:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-10-13 21:22:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2019-10-13 21:22:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-13 21:22:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2019-10-13 21:22:00,839 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 60 [2019-10-13 21:22:00,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:00,842 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2019-10-13 21:22:00,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2019-10-13 21:22:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:00,850 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:00,850 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:00,851 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1767139328, now seen corresponding path program 1 times [2019-10-13 21:22:00,852 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:00,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321435935] [2019-10-13 21:22:00,852 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,855 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:00,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:00,974 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 21:22:00,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321435935] [2019-10-13 21:22:00,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:00,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:00,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284782531] [2019-10-13 21:22:00,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:00,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:00,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:00,978 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 3 states. [2019-10-13 21:22:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:00,996 INFO L93 Difference]: Finished difference Result 362 states and 433 transitions. [2019-10-13 21:22:00,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:00,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:22:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:00,999 INFO L225 Difference]: With dead ends: 362 [2019-10-13 21:22:00,999 INFO L226 Difference]: Without dead ends: 161 [2019-10-13 21:22:01,000 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 21:22:01,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-13 21:22:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-13 21:22:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-13 21:22:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-13 21:22:01,017 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2019-10-13 21:22:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:01,018 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-13 21:22:01,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-13 21:22:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:22:01,020 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:01,020 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, 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] [2019-10-13 21:22:01,020 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:01,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:01,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1970958153, now seen corresponding path program 1 times [2019-10-13 21:22:01,021 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:01,021 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206114417] [2019-10-13 21:22:01,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:01,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:01,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 21:22:01,127 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206114417] [2019-10-13 21:22:01,127 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368041706] [2019-10-13 21:22:01,127 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 21:22:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:01,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:01,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:01,483 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:01,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:01,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:01,725 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:01,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [897921378] [2019-10-13 21:22:01,732 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 101 [2019-10-13 21:22:01,772 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:01,772 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:01,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:01,887 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:01,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:01,891 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:01,966 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:01,967 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:01,970 INFO L553 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-13 21:22:01,970 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:01,971 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:01,971 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:01,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123297688] [2019-10-13 21:22:01,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:01,973 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:01,973 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:01,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:01,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:01,973 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-13 21:22:01,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:01,977 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-13 21:22:01,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:01,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-13 21:22:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:01,978 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:22:01,978 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:01,979 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 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 21:22:01,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:01,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:01,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 21:22:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:01,980 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:01,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:01,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:02,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:02,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:02,383 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point L539-2(lines 539 560) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 514 569) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point L561(lines 538 562) no Hoare annotation was computed. [2019-10-13 21:22:02,384 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 514 569) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 514 569) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 606) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point L602-1(lines 602 606) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 570 629) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-13 21:22:02,385 INFO L443 ceAbstractionStarter]: For program point L596-2(lines 596 621) no Hoare annotation was computed. [2019-10-13 21:22:02,386 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 570 629) no Hoare annotation was computed. [2019-10-13 21:22:02,386 INFO L443 ceAbstractionStarter]: For program point L622(lines 595 623) no Hoare annotation was computed. [2019-10-13 21:22:02,386 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 570 629) no Hoare annotation was computed. [2019-10-13 21:22:02,391 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-13 21:22:02,391 INFO L443 ceAbstractionStarter]: For program point L615-1(line 615) no Hoare annotation was computed. [2019-10-13 21:22:02,392 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2019-10-13 21:22:02,392 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2019-10-13 21:22:02,392 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2019-10-13 21:22:02,392 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2019-10-13 21:22:02,392 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 452 460) no Hoare annotation was computed. [2019-10-13 21:22:02,392 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2019-10-13 21:22:02,393 INFO L446 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: true [2019-10-13 21:22:02,393 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-10-13 21:22:02,393 INFO L446 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: true [2019-10-13 21:22:02,393 INFO L443 ceAbstractionStarter]: For program point L408-1(line 408) no Hoare annotation was computed. [2019-10-13 21:22:02,393 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 419) no Hoare annotation was computed. [2019-10-13 21:22:02,393 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2019-10-13 21:22:02,393 INFO L446 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2019-10-13 21:22:02,394 INFO L443 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2019-10-13 21:22:02,394 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2019-10-13 21:22:02,394 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 900 922) the Hoare annotation is: true [2019-10-13 21:22:02,394 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2019-10-13 21:22:02,396 INFO L446 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2019-10-13 21:22:02,396 INFO L446 ceAbstractionStarter]: At program point L912-1(line 912) the Hoare annotation is: true [2019-10-13 21:22:02,396 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 917) no Hoare annotation was computed. [2019-10-13 21:22:02,396 INFO L443 ceAbstractionStarter]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2019-10-13 21:22:02,397 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 900 922) no Hoare annotation was computed. [2019-10-13 21:22:02,397 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-13 21:22:02,397 INFO L446 ceAbstractionStarter]: At program point L907(line 907) the Hoare annotation is: true [2019-10-13 21:22:02,397 INFO L446 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2019-10-13 21:22:02,397 INFO L446 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: true [2019-10-13 21:22:02,397 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 21:22:02,397 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 21:22:02,397 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 859 882) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 859 882) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 859 882) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L875(line 875) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2019-10-13 21:22:02,398 INFO L443 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2019-10-13 21:22:02,399 INFO L443 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2019-10-13 21:22:02,399 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-13 21:22:02,399 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-13 21:22:02,399 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-10-13 21:22:02,399 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-13 21:22:02,400 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2019-10-13 21:22:02,400 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-10-13 21:22:02,401 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-10-13 21:22:02,401 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2019-10-13 21:22:02,401 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L274-1(line 274) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:22:02,402 INFO L443 ceAbstractionStarter]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 468 513) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 468 513) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 468 513) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 808) no Hoare annotation was computed. [2019-10-13 21:22:02,403 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 815) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point L795-1(lines 795 815) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 781 826) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 781 826) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 781 826) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: true [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:22:02,404 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L446 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: true [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2019-10-13 21:22:02,405 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2019-10-13 21:22:02,406 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: true [2019-10-13 21:22:02,406 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-13 21:22:02,406 INFO L446 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: true [2019-10-13 21:22:02,406 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 181) no Hoare annotation was computed. [2019-10-13 21:22:02,406 INFO L446 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: true [2019-10-13 21:22:02,406 INFO L443 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2019-10-13 21:22:02,406 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 186) no Hoare annotation was computed. [2019-10-13 21:22:02,406 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2019-10-13 21:22:02,407 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2019-10-13 21:22:02,407 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: true [2019-10-13 21:22:02,407 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-10-13 21:22:02,407 INFO L446 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: true [2019-10-13 21:22:02,407 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-10-13 21:22:02,407 INFO L446 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: true [2019-10-13 21:22:02,407 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-10-13 21:22:02,407 INFO L446 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: true [2019-10-13 21:22:02,408 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-10-13 21:22:02,408 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-10-13 21:22:02,408 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-10-13 21:22:02,409 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-10-13 21:22:02,409 INFO L446 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: true [2019-10-13 21:22:02,409 INFO L446 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2019-10-13 21:22:02,409 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-13 21:22:02,409 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-13 21:22:02,409 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-10-13 21:22:02,409 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 735 780) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 735 780) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 762) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 735 780) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 769) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point L749-1(lines 749 769) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 190 197) no Hoare annotation was computed. [2019-10-13 21:22:02,410 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 190 197) no Hoare annotation was computed. [2019-10-13 21:22:02,411 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 190 197) no Hoare annotation was computed. [2019-10-13 21:22:02,411 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 388 396) no Hoare annotation was computed. [2019-10-13 21:22:02,412 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2019-10-13 21:22:02,412 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2019-10-13 21:22:02,412 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 372) no Hoare annotation was computed. [2019-10-13 21:22:02,412 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2019-10-13 21:22:02,412 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 356 378) no Hoare annotation was computed. [2019-10-13 21:22:02,413 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 356 378) no Hoare annotation was computed. [2019-10-13 21:22:02,413 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 356 378) no Hoare annotation was computed. [2019-10-13 21:22:02,413 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 428 437) no Hoare annotation was computed. [2019-10-13 21:22:02,413 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 428 437) no Hoare annotation was computed. [2019-10-13 21:22:02,413 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 428 437) no Hoare annotation was computed. [2019-10-13 21:22:02,414 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 632 734) no Hoare annotation was computed. [2019-10-13 21:22:02,414 INFO L443 ceAbstractionStarter]: For program point L702(lines 680 703) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 677) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 728) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L682(lines 681 701) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L713(line 713) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L713-1(line 713) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 719) no Hoare annotation was computed. [2019-10-13 21:22:02,415 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 632 734) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L697(line 697) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 632 734) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 660) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 687) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point L681-2(lines 681 701) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,416 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:02,417 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,417 INFO L443 ceAbstractionStarter]: For program point L210-1(lines 199 215) no Hoare annotation was computed. [2019-10-13 21:22:02,417 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-10-13 21:22:02,417 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 21:22:02,417 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 199 215) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L443 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 199 215) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2019-10-13 21:22:02,418 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 379 387) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2019-10-13 21:22:02,418 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: true [2019-10-13 21:22:02,419 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2019-10-13 21:22:02,419 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2019-10-13 21:22:02,419 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,419 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,419 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,419 INFO L446 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: true [2019-10-13 21:22:02,419 INFO L446 ceAbstractionStarter]: At program point L144(lines 144 150) the Hoare annotation is: true [2019-10-13 21:22:02,419 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: true [2019-10-13 21:22:02,419 INFO L446 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: true [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point L137(lines 136 155) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2019-10-13 21:22:02,420 INFO L446 ceAbstractionStarter]: At program point L854(lines 829 858) the Hoare annotation is: true [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-10-13 21:22:02,420 INFO L446 ceAbstractionStarter]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2019-10-13 21:22:02,421 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-13 21:22:02,421 INFO L446 ceAbstractionStarter]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2019-10-13 21:22:02,421 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 21:22:02,421 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 21:22:02,421 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 347 355) no Hoare annotation was computed. [2019-10-13 21:22:02,422 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 347 355) no Hoare annotation was computed. [2019-10-13 21:22:02,422 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 347 355) no Hoare annotation was computed. [2019-10-13 21:22:02,422 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2019-10-13 21:22:02,422 INFO L443 ceAbstractionStarter]: For program point L315-1(lines 311 322) no Hoare annotation was computed. [2019-10-13 21:22:02,422 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2019-10-13 21:22:02,422 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2019-10-13 21:22:02,423 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2019-10-13 21:22:02,423 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,424 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:02,424 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:02,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:02,424 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:02,424 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: true [2019-10-13 21:22:02,424 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:02,424 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2019-10-13 21:22:02,424 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2019-10-13 21:22:02,425 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: true [2019-10-13 21:22:02,425 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:02,425 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:02,425 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:02,425 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:02,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:02 BoogieIcfgContainer [2019-10-13 21:22:02,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:02,445 INFO L168 Benchmark]: Toolchain (without parser) took 5775.19 ms. Allocated memory was 143.1 MB in the beginning and 288.9 MB in the end (delta: 145.8 MB). Free memory was 100.6 MB in the beginning and 211.9 MB in the end (delta: -111.3 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,447 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.78 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.2 MB in the beginning and 168.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,455 INFO L168 Benchmark]: Boogie Preprocessor took 77.12 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,458 INFO L168 Benchmark]: RCFGBuilder took 1115.66 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 197.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,459 INFO L168 Benchmark]: TraceAbstraction took 3883.53 ms. Allocated memory was 235.4 MB in the beginning and 288.9 MB in the end (delta: 53.5 MB). Free memory was 197.9 MB in the beginning and 211.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:02,466 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 143.1 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.78 ms. Allocated memory was 143.1 MB in the beginning and 201.9 MB in the end (delta: 58.7 MB). Free memory was 100.2 MB in the beginning and 168.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.12 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.66 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 197.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3883.53 ms. Allocated memory was 235.4 MB in the beginning and 288.9 MB in the end (delta: 53.5 MB). Free memory was 197.9 MB in the beginning and 211.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 569 SDtfs, 358 SDslu, 1081 SDs, 0 SdLazy, 373 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 272 PreInvPairs, 273 NumberOfFragments, 51 HoareAnnotationTreeSize, 272 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 90847 SizeOfPredicates, 3 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 160, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9696969696969697, 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...