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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:58,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:58,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:58,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:58,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:58,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:58,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:58,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:58,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:58,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:58,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:58,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:58,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:58,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:58,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:58,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:58,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:58,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:58,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:58,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:58,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:58,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:58,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:58,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:58,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:58,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:58,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:58,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:58,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:58,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:58,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:58,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:58,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:58,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:58,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:58,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:58,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:58,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:58,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:58,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:58,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:58,338 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 [2019-10-15 01:20:58,365 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:58,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:58,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:58,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:58,372 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:58,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:58,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:58,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:58,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:58,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:58,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:58,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:58,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:58,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:58,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:58,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:58,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:58,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:58,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:58,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:58,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:58,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:58,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:58,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:58,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:58,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:58,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:58,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:58,383 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 [2019-10-15 01:20:58,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:58,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:58,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:58,713 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:58,713 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:58,714 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-15 01:20:58,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a747ce1d/a60144ea499e4ccd933ed6f0f9d00f4c/FLAGa6bcd734f [2019-10-15 01:20:59,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:59,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-15 01:20:59,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a747ce1d/a60144ea499e4ccd933ed6f0f9d00f4c/FLAGa6bcd734f [2019-10-15 01:20:59,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a747ce1d/a60144ea499e4ccd933ed6f0f9d00f4c [2019-10-15 01:20:59,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:59,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:59,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:59,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:59,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:59,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:59" (1/1) ... [2019-10-15 01:20:59,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170a06bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:59, skipping insertion in model container [2019-10-15 01:20:59,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:59" (1/1) ... [2019-10-15 01:20:59,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:59,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:00,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:00,157 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:00,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:00,302 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:00,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00 WrapperNode [2019-10-15 01:21:00,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:00,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:00,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:00,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:00,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... [2019-10-15 01:21:00,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:00,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:00,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:00,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:00,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:00,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:00,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:00,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:00,493 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:01,653 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:01,656 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:01,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:01 BoogieIcfgContainer [2019-10-15 01:21:01,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:01,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:01,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:01,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:01,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:59" (1/3) ... [2019-10-15 01:21:01,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d96a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:01, skipping insertion in model container [2019-10-15 01:21:01,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:00" (2/3) ... [2019-10-15 01:21:01,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d96a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:01, skipping insertion in model container [2019-10-15 01:21:01,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:01" (3/3) ... [2019-10-15 01:21:01,667 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-10-15 01:21:01,677 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:01,686 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:01,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:01,726 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:01,726 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:01,726 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:01,726 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:01,726 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:01,726 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:01,727 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:01,727 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-15 01:21:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:21:01,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:01,755 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] [2019-10-15 01:21:01,757 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:01,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2019-10-15 01:21:01,772 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:01,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128109674] [2019-10-15 01:21:01,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:01,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:01,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:02,081 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128109674] [2019-10-15 01:21:02,082 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:02,083 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:02,083 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113463746] [2019-10-15 01:21:02,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:02,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:02,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:02,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:02,111 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-15 01:21:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:02,153 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2019-10-15 01:21:02,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:02,154 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:21:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:02,167 INFO L225 Difference]: With dead ends: 228 [2019-10-15 01:21:02,168 INFO L226 Difference]: Without dead ends: 114 [2019-10-15 01:21:02,172 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 [2019-10-15 01:21:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-15 01:21:02,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-15 01:21:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-15 01:21:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-15 01:21:02,226 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-10-15 01:21:02,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:02,227 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-15 01:21:02,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:02,227 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-15 01:21:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:21:02,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:02,231 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] [2019-10-15 01:21:02,231 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:02,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:02,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2019-10-15 01:21:02,232 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:02,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145127663] [2019-10-15 01:21:02,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:02,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:02,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:02,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145127663] [2019-10-15 01:21:02,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:02,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:02,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575086772] [2019-10-15 01:21:02,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:02,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:02,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:02,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:02,391 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-10-15 01:21:02,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:02,427 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2019-10-15 01:21:02,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:02,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:21:02,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:02,430 INFO L225 Difference]: With dead ends: 167 [2019-10-15 01:21:02,430 INFO L226 Difference]: Without dead ends: 105 [2019-10-15 01:21:02,432 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 [2019-10-15 01:21:02,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-15 01:21:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-15 01:21:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-15 01:21:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-15 01:21:02,450 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-10-15 01:21:02,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:02,450 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-15 01:21:02,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-15 01:21:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:21:02,453 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:02,453 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] [2019-10-15 01:21:02,453 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:02,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:02,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2019-10-15 01:21:02,454 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:02,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547082880] [2019-10-15 01:21:02,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:02,454 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:02,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:02,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547082880] [2019-10-15 01:21:02,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:02,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:02,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825775115] [2019-10-15 01:21:02,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:02,589 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:02,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:02,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:02,590 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2019-10-15 01:21:03,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:03,022 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2019-10-15 01:21:03,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:03,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:21:03,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:03,026 INFO L225 Difference]: With dead ends: 317 [2019-10-15 01:21:03,026 INFO L226 Difference]: Without dead ends: 236 [2019-10-15 01:21:03,028 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:03,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-15 01:21:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2019-10-15 01:21:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-15 01:21:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-10-15 01:21:03,060 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-10-15 01:21:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:03,061 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-10-15 01:21:03,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-10-15 01:21:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:21:03,064 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:03,064 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:03,064 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:03,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2019-10-15 01:21:03,066 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:03,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933796039] [2019-10-15 01:21:03,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:03,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933796039] [2019-10-15 01:21:03,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:03,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:21:03,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710075143] [2019-10-15 01:21:03,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:21:03,256 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:21:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:03,257 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2019-10-15 01:21:03,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:03,771 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2019-10-15 01:21:03,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:21:03,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-15 01:21:03,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:03,782 INFO L225 Difference]: With dead ends: 776 [2019-10-15 01:21:03,782 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 01:21:03,790 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 [2019-10-15 01:21:03,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 01:21:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2019-10-15 01:21:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-15 01:21:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2019-10-15 01:21:03,887 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2019-10-15 01:21:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:03,887 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2019-10-15 01:21:03,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:21:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2019-10-15 01:21:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:21:03,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:03,892 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:03,892 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:03,893 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2019-10-15 01:21:03,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:03,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873349251] [2019-10-15 01:21:03,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,893 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:03,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:04,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873349251] [2019-10-15 01:21:04,010 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:04,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:04,010 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846354975] [2019-10-15 01:21:04,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:04,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:04,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:04,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:04,013 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2019-10-15 01:21:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:04,176 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2019-10-15 01:21:04,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:21:04,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-15 01:21:04,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:04,180 INFO L225 Difference]: With dead ends: 948 [2019-10-15 01:21:04,181 INFO L226 Difference]: Without dead ends: 408 [2019-10-15 01:21:04,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:04,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-15 01:21:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-10-15 01:21:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-15 01:21:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-10-15 01:21:04,225 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-10-15 01:21:04,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,225 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-10-15 01:21:04,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-10-15 01:21:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:21:04,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,231 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:04,231 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,232 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2019-10-15 01:21:04,232 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671591199] [2019-10-15 01:21:04,232 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:21:04,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671591199] [2019-10-15 01:21:04,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370204202] [2019-10-15 01:21:04,428 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 [2019-10-15 01:21:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:21:04,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:04,821 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:04,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:05,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2014936567] [2019-10-15 01:21:05,075 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-15 01:21:05,123 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:05,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:05,192 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:05,194 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. [2019-10-15 01:21:05,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:05,198 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:05,239 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:05,239 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:05,246 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-15 01:21:05,246 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:05,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:05,247 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:21:05,247 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939011839] [2019-10-15 01:21:05,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:05,249 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:05,249 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:05,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:05,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:05,249 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-10-15 01:21:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:05,255 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-10-15 01:21:05,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:05,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-15 01:21:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:05,255 INFO L225 Difference]: With dead ends: 396 [2019-10-15 01:21:05,256 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:05,257 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:05,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:05,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-15 01:21:05,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:05,258 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:05,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:05,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:05,464 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:05,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:05,662 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-15 01:21:05,663 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:05,664 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:21:05,665 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-15 01:21:05,665 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 01:21:05,665 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2019-10-15 01:21:05,665 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2019-10-15 01:21:05,665 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2019-10-15 01:21:05,666 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2019-10-15 01:21:05,666 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2019-10-15 01:21:05,666 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-10-15 01:21:05,666 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-10-15 01:21:05,666 INFO L446 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2019-10-15 01:21:05,667 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-15 01:21:05,667 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-10-15 01:21:05,667 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-15 01:21:05,667 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-15 01:21:05,667 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-10-15 01:21:05,667 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-15 01:21:05,667 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-15 01:21:05,668 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: true [2019-10-15 01:21:05,668 INFO L446 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: true [2019-10-15 01:21:05,668 INFO L446 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: true [2019-10-15 01:21:05,668 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-10-15 01:21:05,668 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2019-10-15 01:21:05,668 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2019-10-15 01:21:05,669 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-15 01:21:05,669 INFO L446 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: true [2019-10-15 01:21:05,669 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-10-15 01:21:05,669 INFO L446 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: true [2019-10-15 01:21:05,669 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2019-10-15 01:21:05,669 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2019-10-15 01:21:05,669 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 01:21:05,670 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-15 01:21:05,671 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-15 01:21:05,672 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-10-15 01:21:05,672 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-15 01:21:05,672 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: true [2019-10-15 01:21:05,672 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-10-15 01:21:05,672 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-15 01:21:05,672 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-15 01:21:05,672 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-15 01:21:05,673 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-10-15 01:21:05,673 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-10-15 01:21:05,674 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-15 01:21:05,675 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: true [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-15 01:21:05,676 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-15 01:21:05,677 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-10-15 01:21:05,678 INFO L446 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: true [2019-10-15 01:21:05,678 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2019-10-15 01:21:05,678 INFO L446 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: true [2019-10-15 01:21:05,678 INFO L446 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2019-10-15 01:21:05,678 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2019-10-15 01:21:05,678 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-10-15 01:21:05,678 INFO L446 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: true [2019-10-15 01:21:05,678 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: true [2019-10-15 01:21:05,679 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-15 01:21:05,679 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-10-15 01:21:05,679 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2019-10-15 01:21:05,679 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2019-10-15 01:21:05,679 INFO L446 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: true [2019-10-15 01:21:05,679 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: true [2019-10-15 01:21:05,679 INFO L446 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: true [2019-10-15 01:21:05,679 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-15 01:21:05,680 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2019-10-15 01:21:05,680 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2019-10-15 01:21:05,680 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-10-15 01:21:05,680 INFO L446 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: true [2019-10-15 01:21:05,680 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-15 01:21:05,680 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-10-15 01:21:05,680 INFO L446 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: true [2019-10-15 01:21:05,680 INFO L443 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L446 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: true [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:05,681 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2019-10-15 01:21:05,682 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 749) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2019-10-15 01:21:05,683 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-15 01:21:05,684 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-15 01:21:05,685 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,686 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 573) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2019-10-15 01:21:05,687 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2019-10-15 01:21:05,688 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2019-10-15 01:21:05,689 INFO L446 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: true [2019-10-15 01:21:05,689 INFO L446 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: true [2019-10-15 01:21:05,689 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-15 01:21:05,689 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2019-10-15 01:21:05,689 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: true [2019-10-15 01:21:05,689 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2019-10-15 01:21:05,689 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2019-10-15 01:21:05,689 INFO L446 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2019-10-15 01:21:05,690 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2019-10-15 01:21:05,690 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-15 01:21:05,690 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2019-10-15 01:21:05,690 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-10-15 01:21:05,690 INFO L446 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2019-10-15 01:21:05,690 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-15 01:21:05,690 INFO L446 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2019-10-15 01:21:05,690 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-15 01:21:05,691 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-15 01:21:05,691 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2019-10-15 01:21:05,691 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2019-10-15 01:21:05,691 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2019-10-15 01:21:05,691 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2019-10-15 01:21:05,691 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2019-10-15 01:21:05,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,691 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:05,692 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:05,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:05,692 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-15 01:21:05,692 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: true [2019-10-15 01:21:05,692 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-15 01:21:05,692 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2019-10-15 01:21:05,692 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2019-10-15 01:21:05,692 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: true [2019-10-15 01:21:05,693 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:05,693 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:21:05,693 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:21:05,693 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:21:05,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:05 BoogieIcfgContainer [2019-10-15 01:21:05,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:05,705 INFO L168 Benchmark]: Toolchain (without parser) took 6090.71 ms. Allocated memory was 141.6 MB in the beginning and 279.4 MB in the end (delta: 137.9 MB). Free memory was 105.3 MB in the beginning and 109.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,706 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.40 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 105.1 MB in the beginning and 173.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,707 INFO L168 Benchmark]: Boogie Preprocessor took 111.11 ms. Allocated memory is still 204.5 MB. Free memory was 173.5 MB in the beginning and 169.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,708 INFO L168 Benchmark]: RCFGBuilder took 1240.19 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 169.5 MB in the beginning and 191.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,709 INFO L168 Benchmark]: TraceAbstraction took 4043.45 ms. Allocated memory was 233.3 MB in the beginning and 279.4 MB in the end (delta: 46.1 MB). Free memory was 191.2 MB in the beginning and 109.0 MB in the end (delta: 82.2 MB). Peak memory consumption was 128.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:05,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 141.6 MB. Free memory was 124.8 MB in the beginning and 124.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.40 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 105.1 MB in the beginning and 173.5 MB in the end (delta: -68.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.11 ms. Allocated memory is still 204.5 MB. Free memory was 173.5 MB in the beginning and 169.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.19 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 169.5 MB in the beginning and 191.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4043.45 ms. Allocated memory was 233.3 MB in the beginning and 279.4 MB in the end (delta: 46.1 MB). Free memory was 191.2 MB in the beginning and 109.0 MB in the end (delta: 82.2 MB). Peak memory consumption was 128.4 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 643 SDtfs, 500 SDslu, 1467 SDs, 0 SdLazy, 494 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 124, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...