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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:54,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:54,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:54,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:54,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:54,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:54,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:54,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:54,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:54,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:54,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:54,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:54,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:54,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:54,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:54,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:54,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:54,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:54,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:54,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:54,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:54,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:54,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:54,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:54,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:54,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:54,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:54,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:54,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:54,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:54,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:54,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:54,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:54,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:54,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:54,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:54,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:54,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:54,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:54,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:54,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:54,568 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 01:20:54,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:54,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:54,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:54,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:54,604 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:54,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:54,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:54,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:54,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:54,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:54,607 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:54,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:54,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:54,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:54,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:54,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:54,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:54,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:54,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:54,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:54,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:54,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:54,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:54,611 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 01:20:54,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:54,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:54,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:54,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:54,906 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:54,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-15 01:20:54,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950efacd3/c2753446ce8c4100817c0b84f99cf1e1/FLAGf6bb6bc1e [2019-10-15 01:20:55,531 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:55,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-10-15 01:20:55,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950efacd3/c2753446ce8c4100817c0b84f99cf1e1/FLAGf6bb6bc1e [2019-10-15 01:20:55,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950efacd3/c2753446ce8c4100817c0b84f99cf1e1 [2019-10-15 01:20:55,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:55,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:55,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:55,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:55,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:55,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:55" (1/1) ... [2019-10-15 01:20:55,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b536ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:55, skipping insertion in model container [2019-10-15 01:20:55,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:55" (1/1) ... [2019-10-15 01:20:55,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:55,902 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:56,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:56,385 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:56,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:56,559 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:56,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56 WrapperNode [2019-10-15 01:20:56,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:56,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:56,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:56,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:56,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (1/1) ... [2019-10-15 01:20:56,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:56,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:56,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:56,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:56,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (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 01:20:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:56,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:56,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:56,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:57,873 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:57,873 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:57,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:57 BoogieIcfgContainer [2019-10-15 01:20:57,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:57,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:57,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:57,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:57,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:55" (1/3) ... [2019-10-15 01:20:57,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3917eaa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:57, skipping insertion in model container [2019-10-15 01:20:57,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:56" (2/3) ... [2019-10-15 01:20:57,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3917eaa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:57, skipping insertion in model container [2019-10-15 01:20:57,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:57" (3/3) ... [2019-10-15 01:20:57,887 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-10-15 01:20:57,898 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:57,909 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:57,921 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:57,962 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:57,962 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:57,962 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:57,963 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:57,963 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:57,963 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:57,963 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:57,963 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-15 01:20:58,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:20:58,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:58,001 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 01:20:58,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:58,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:58,010 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2019-10-15 01:20:58,020 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:58,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042324260] [2019-10-15 01:20:58,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:58,371 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 01:20:58,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042324260] [2019-10-15 01:20:58,374 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:58,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:58,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101441233] [2019-10-15 01:20:58,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:58,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:58,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:58,404 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-10-15 01:20:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:58,467 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2019-10-15 01:20:58,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:58,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:20:58,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:58,499 INFO L225 Difference]: With dead ends: 264 [2019-10-15 01:20:58,500 INFO L226 Difference]: Without dead ends: 132 [2019-10-15 01:20:58,507 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 01:20:58,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-15 01:20:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-15 01:20:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-15 01:20:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-15 01:20:58,568 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-15 01:20:58,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:58,569 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-15 01:20:58,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-15 01:20:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:20:58,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:58,573 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 01:20:58,574 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2019-10-15 01:20:58,575 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:58,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174271328] [2019-10-15 01:20:58,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:58,685 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 01:20:58,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174271328] [2019-10-15 01:20:58,687 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:58,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:58,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203633522] [2019-10-15 01:20:58,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:58,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:58,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:58,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:58,692 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-10-15 01:20:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:58,730 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2019-10-15 01:20:58,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:58,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:20:58,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:58,735 INFO L225 Difference]: With dead ends: 203 [2019-10-15 01:20:58,735 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 01:20:58,737 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 01:20:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 01:20:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 01:20:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 01:20:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-15 01:20:58,752 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-15 01:20:58,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:58,752 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-15 01:20:58,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-15 01:20:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:58,755 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:58,755 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:58,756 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:58,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:58,756 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2019-10-15 01:20:58,756 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:58,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265612902] [2019-10-15 01:20:58,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:58,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:58,905 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 01:20:58,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265612902] [2019-10-15 01:20:58,906 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:58,906 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:58,907 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782408246] [2019-10-15 01:20:58,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:58,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:58,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:58,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:58,908 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-10-15 01:20:59,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:59,485 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2019-10-15 01:20:59,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:59,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:20:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:59,489 INFO L225 Difference]: With dead ends: 371 [2019-10-15 01:20:59,489 INFO L226 Difference]: Without dead ends: 272 [2019-10-15 01:20:59,491 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 01:20:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-10-15 01:20:59,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2019-10-15 01:20:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-15 01:20:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-15 01:20:59,545 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-15 01:20:59,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:59,545 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-15 01:20:59,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-15 01:20:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:59,548 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:59,549 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 01:20:59,549 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:59,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2019-10-15 01:20:59,550 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:59,550 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689399583] [2019-10-15 01:20:59,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:59,550 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:59,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:59,727 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 01:20:59,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689399583] [2019-10-15 01:20:59,728 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:59,728 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:59,728 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368372325] [2019-10-15 01:20:59,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:59,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:59,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:59,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:59,730 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2019-10-15 01:21:00,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:00,457 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2019-10-15 01:21:00,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:21:00,458 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-15 01:21:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:00,475 INFO L225 Difference]: With dead ends: 920 [2019-10-15 01:21:00,476 INFO L226 Difference]: Without dead ends: 684 [2019-10-15 01:21:00,481 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 01:21:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-10-15 01:21:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2019-10-15 01:21:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2019-10-15 01:21:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2019-10-15 01:21:00,577 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2019-10-15 01:21:00,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:00,578 INFO L462 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2019-10-15 01:21:00,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:21:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2019-10-15 01:21:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:21:00,591 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:00,591 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 01:21:00,592 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2019-10-15 01:21:00,592 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:00,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659079634] [2019-10-15 01:21:00,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:00,593 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:00,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:00,761 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 01:21:00,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659079634] [2019-10-15 01:21:00,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:00,762 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:00,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646139869] [2019-10-15 01:21:00,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:00,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:00,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:00,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:00,765 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2019-10-15 01:21:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:00,950 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2019-10-15 01:21:00,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:21:00,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-15 01:21:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:00,954 INFO L225 Difference]: With dead ends: 1086 [2019-10-15 01:21:00,955 INFO L226 Difference]: Without dead ends: 438 [2019-10-15 01:21:00,958 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 01:21:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-10-15 01:21:00,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2019-10-15 01:21:00,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-15 01:21:01,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-10-15 01:21:01,003 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2019-10-15 01:21:01,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:01,004 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-10-15 01:21:01,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-10-15 01:21:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:21:01,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:01,010 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 01:21:01,010 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:01,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:01,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2019-10-15 01:21:01,011 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:01,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14669865] [2019-10-15 01:21:01,011 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:01,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:01,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:01,198 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 01:21:01,199 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14669865] [2019-10-15 01:21:01,199 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093724661] [2019-10-15 01:21:01,199 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 01:21:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:01,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:21:01,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:01,663 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 01:21:01,663 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:01,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:02,099 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 01:21:02,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [553162046] [2019-10-15 01:21:02,106 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-15 01:21:02,165 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:02,165 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:02,243 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:02,245 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:21:02,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:02,250 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:02,313 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:02,314 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:02,322 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-15 01:21:02,324 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:02,325 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:02,326 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:21:02,326 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481162635] [2019-10-15 01:21:02,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:02,328 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:02,328 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:02,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:02,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:02,329 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 2 states. [2019-10-15 01:21:02,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:02,336 INFO L93 Difference]: Finished difference Result 426 states and 488 transitions. [2019-10-15 01:21:02,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:02,336 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-15 01:21:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:02,337 INFO L225 Difference]: With dead ends: 426 [2019-10-15 01:21:02,337 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:02,339 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 01:21:02,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:02,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:02,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-15 01:21:02,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:02,342 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:02,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:02,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:02,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:02,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:02,877 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-15 01:21:02,877 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-15 01:21:02,878 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-15 01:21:02,879 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-15 01:21:02,880 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-15 01:21:02,880 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2019-10-15 01:21:02,880 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2019-10-15 01:21:02,880 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2019-10-15 01:21:02,881 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2019-10-15 01:21:02,881 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2019-10-15 01:21:02,881 INFO L446 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2019-10-15 01:21:02,881 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2019-10-15 01:21:02,881 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-10-15 01:21:02,881 INFO L446 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2019-10-15 01:21:02,881 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:21:02,882 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 01:21:02,883 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-15 01:21:02,883 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-10-15 01:21:02,883 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2019-10-15 01:21:02,883 INFO L446 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: true [2019-10-15 01:21:02,883 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:21:02,883 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:21:02,884 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-15 01:21:02,884 INFO L446 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: true [2019-10-15 01:21:02,884 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:21:02,884 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:21:02,884 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:21:02,884 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:21:02,884 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 01:21:02,885 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-10-15 01:21:02,886 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: true [2019-10-15 01:21:02,887 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2019-10-15 01:21:02,887 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-10-15 01:21:02,887 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-10-15 01:21:02,887 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2019-10-15 01:21:02,887 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2019-10-15 01:21:02,887 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2019-10-15 01:21:02,887 INFO L443 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2019-10-15 01:21:02,888 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2019-10-15 01:21:02,888 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2019-10-15 01:21:02,888 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-15 01:21:02,888 INFO L446 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2019-10-15 01:21:02,888 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2019-10-15 01:21:02,888 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 726) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2019-10-15 01:21:02,889 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-15 01:21:02,890 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-15 01:21:02,890 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2019-10-15 01:21:02,890 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2019-10-15 01:21:02,890 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2019-10-15 01:21:02,890 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:21:02,890 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-15 01:21:02,891 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-10-15 01:21:02,892 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2019-10-15 01:21:02,892 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:21:02,892 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:21:02,892 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2019-10-15 01:21:02,892 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2019-10-15 01:21:02,892 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-15 01:21:02,892 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-10-15 01:21:02,893 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2019-10-15 01:21:02,893 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2019-10-15 01:21:02,893 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2019-10-15 01:21:02,893 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2019-10-15 01:21:02,893 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-10-15 01:21:02,893 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2019-10-15 01:21:02,894 INFO L446 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: true [2019-10-15 01:21:02,894 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2019-10-15 01:21:02,894 INFO L446 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: true [2019-10-15 01:21:02,894 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: true [2019-10-15 01:21:02,894 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-10-15 01:21:02,894 INFO L446 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2019-10-15 01:21:02,894 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-10-15 01:21:02,895 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-10-15 01:21:02,895 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-10-15 01:21:02,895 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-10-15 01:21:02,895 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: true [2019-10-15 01:21:02,895 INFO L446 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: true [2019-10-15 01:21:02,895 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2019-10-15 01:21:02,895 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-15 01:21:02,896 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-15 01:21:02,896 INFO L446 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: true [2019-10-15 01:21:02,896 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-10-15 01:21:02,896 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-15 01:21:02,896 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-10-15 01:21:02,896 INFO L446 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: true [2019-10-15 01:21:02,896 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-10-15 01:21:02,897 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2019-10-15 01:21:02,897 INFO L446 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: true [2019-10-15 01:21:02,897 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-10-15 01:21:02,897 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-10-15 01:21:02,897 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2019-10-15 01:21:02,897 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-10-15 01:21:02,898 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-10-15 01:21:02,899 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-10-15 01:21:02,899 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2019-10-15 01:21:02,899 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2019-10-15 01:21:02,899 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2019-10-15 01:21:02,899 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-15 01:21:02,899 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:21:02,900 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-15 01:21:02,901 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:21:02,902 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-15 01:21:02,902 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-15 01:21:02,902 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-15 01:21:02,902 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-15 01:21:02,902 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2019-10-15 01:21:02,903 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,904 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:21:02,904 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,904 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-15 01:21:02,904 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-15 01:21:02,904 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,905 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,906 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,906 INFO L446 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: true [2019-10-15 01:21:02,906 INFO L446 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: true [2019-10-15 01:21:02,906 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-10-15 01:21:02,906 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-10-15 01:21:02,906 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: true [2019-10-15 01:21:02,906 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-10-15 01:21:02,907 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-10-15 01:21:02,907 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 01:21:02,907 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 01:21:02,907 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 01:21:02,907 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:21:02,907 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 01:21:02,907 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-15 01:21:02,908 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 01:21:02,908 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 01:21:02,908 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 01:21:02,908 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 01:21:02,908 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-15 01:21:02,908 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-10-15 01:21:02,908 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-15 01:21:02,909 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-15 01:21:02,909 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-10-15 01:21:02,909 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-15 01:21:02,909 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:21:02,909 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:21:02,909 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,909 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:02,909 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:02,910 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:02,910 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-10-15 01:21:02,910 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2019-10-15 01:21:02,910 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2019-10-15 01:21:02,910 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-15 01:21:02,910 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-10-15 01:21:02,910 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: true [2019-10-15 01:21:02,911 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2019-10-15 01:21:02,911 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-10-15 01:21:02,911 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2019-10-15 01:21:02,911 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2019-10-15 01:21:02,911 INFO L446 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: true [2019-10-15 01:21:02,911 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2019-10-15 01:21:02,911 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: true [2019-10-15 01:21:02,912 INFO L446 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: true [2019-10-15 01:21:02,912 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-15 01:21:02,912 INFO L446 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2019-10-15 01:21:02,912 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-10-15 01:21:02,912 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-10-15 01:21:02,912 INFO L446 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: true [2019-10-15 01:21:02,912 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-10-15 01:21:02,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:02 BoogieIcfgContainer [2019-10-15 01:21:02,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:02,925 INFO L168 Benchmark]: Toolchain (without parser) took 7109.30 ms. Allocated memory was 138.9 MB in the beginning and 283.1 MB in the end (delta: 144.2 MB). Free memory was 102.0 MB in the beginning and 106.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,927 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.36 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 174.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,933 INFO L168 Benchmark]: Boogie Preprocessor took 100.20 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 169.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,934 INFO L168 Benchmark]: RCFGBuilder took 1216.30 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.6 MB in the beginning and 198.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,935 INFO L168 Benchmark]: TraceAbstraction took 5043.33 ms. Allocated memory was 235.9 MB in the beginning and 283.1 MB in the end (delta: 47.2 MB). Free memory was 198.7 MB in the beginning and 106.2 MB in the end (delta: 92.5 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:02,939 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.36 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 174.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.20 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 169.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1216.30 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.6 MB in the beginning and 198.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5043.33 ms. Allocated memory was 235.9 MB in the beginning and 283.1 MB in the end (delta: 47.2 MB). Free memory was 198.7 MB in the beginning and 106.2 MB in the end (delta: 92.5 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 946]: 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: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 749 SDtfs, 606 SDslu, 1733 SDs, 0 SdLazy, 591 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 731 PreInvPairs, 732 NumberOfFragments, 64 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s 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]: 144, 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...