/usr/bin/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-fb55353 [2019-11-07 01:01:35,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:35,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:35,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:35,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:35,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:35,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:35,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:35,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:35,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:35,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:35,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:35,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:35,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:35,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:35,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:35,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:35,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:35,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:35,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:35,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:35,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:35,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:35,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:35,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:35,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:35,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:35,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:35,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:35,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:35,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:35,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:35,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:35,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:35,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:35,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:35,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:35,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:35,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:35,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:35,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:35,729 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 [2019-11-07 01:01:35,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:35,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:35,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:35,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:35,757 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:35,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:35,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:35,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:35,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:35,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:35,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:35,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:35,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:35,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:35,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:35,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:35,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:35,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:35,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:35,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:35,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:35,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:35,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:35,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:35,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:35,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:35,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:35,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:35,763 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 [2019-11-07 01:01:36,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:36,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:36,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:36,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:36,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:36,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-07 01:01:36,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e905bfe/43f18417f82f4b3a83a24836341543e4/FLAGb4180d691 [2019-11-07 01:01:36,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:36,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2019-11-07 01:01:36,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e905bfe/43f18417f82f4b3a83a24836341543e4/FLAGb4180d691 [2019-11-07 01:01:37,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99e905bfe/43f18417f82f4b3a83a24836341543e4 [2019-11-07 01:01:37,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:37,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:37,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:37,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:37,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:37,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6fe821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37, skipping insertion in model container [2019-11-07 01:01:37,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,125 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:37,217 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:37,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:37,768 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:37,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:37,906 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:37,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37 WrapperNode [2019-11-07 01:01:37,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:37,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:37,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:37,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:37,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:37,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (1/1) ... [2019-11-07 01:01:38,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:38,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:38,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:38,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:38,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (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 [2019-11-07 01:01:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 01:01:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:01:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:01:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 01:01:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:39,352 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:39,352 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:39,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:39 BoogieIcfgContainer [2019-11-07 01:01:39,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:39,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:39,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:39,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:39,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:37" (1/3) ... [2019-11-07 01:01:39,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d06446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:39, skipping insertion in model container [2019-11-07 01:01:39,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:37" (2/3) ... [2019-11-07 01:01:39,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d06446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:39, skipping insertion in model container [2019-11-07 01:01:39,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:39" (3/3) ... [2019-11-07 01:01:39,362 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2019-11-07 01:01:39,370 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:39,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:39,388 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:39,414 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:39,414 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:39,414 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:39,414 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:39,414 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:39,414 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:39,414 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:39,414 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-07 01:01:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:39,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:39,444 INFO L410 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] [2019-11-07 01:01:39,446 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:39,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:39,451 INFO L82 PathProgramCache]: Analyzing trace with hash -62573292, now seen corresponding path program 1 times [2019-11-07 01:01:39,461 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:39,462 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626225792] [2019-11-07 01:01:39,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:39,745 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626225792] [2019-11-07 01:01:39,746 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:39,746 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:39,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487864802] [2019-11-07 01:01:39,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:39,754 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:39,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:39,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:39,771 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-11-07 01:01:39,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:39,814 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2019-11-07 01:01:39,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:39,815 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:39,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:39,829 INFO L225 Difference]: With dead ends: 264 [2019-11-07 01:01:39,830 INFO L226 Difference]: Without dead ends: 132 [2019-11-07 01:01:39,834 INFO L630 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 [2019-11-07 01:01:39,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-07 01:01:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-11-07 01:01:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-07 01:01:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-11-07 01:01:39,886 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-11-07 01:01:39,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:39,887 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-11-07 01:01:39,887 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:39,887 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-11-07 01:01:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:39,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:39,891 INFO L410 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] [2019-11-07 01:01:39,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:39,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:39,892 INFO L82 PathProgramCache]: Analyzing trace with hash 374870047, now seen corresponding path program 1 times [2019-11-07 01:01:39,892 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:39,892 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768271658] [2019-11-07 01:01:39,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:40,064 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768271658] [2019-11-07 01:01:40,064 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:40,064 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:40,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819220437] [2019-11-07 01:01:40,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:40,070 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:40,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:40,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:40,071 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-11-07 01:01:40,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:40,097 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2019-11-07 01:01:40,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:40,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:40,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:40,100 INFO L225 Difference]: With dead ends: 203 [2019-11-07 01:01:40,100 INFO L226 Difference]: Without dead ends: 123 [2019-11-07 01:01:40,102 INFO L630 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 [2019-11-07 01:01:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-11-07 01:01:40,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-11-07 01:01:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-11-07 01:01:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-11-07 01:01:40,117 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-11-07 01:01:40,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:40,118 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-11-07 01:01:40,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-11-07 01:01:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:01:40,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:40,121 INFO L410 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] [2019-11-07 01:01:40,121 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:40,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:40,121 INFO L82 PathProgramCache]: Analyzing trace with hash 727440706, now seen corresponding path program 1 times [2019-11-07 01:01:40,122 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:40,122 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802799537] [2019-11-07 01:01:40,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:40,351 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802799537] [2019-11-07 01:01:40,353 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:40,354 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:40,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325478649] [2019-11-07 01:01:40,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:40,355 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:40,356 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-11-07 01:01:40,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:40,861 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2019-11-07 01:01:40,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:40,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 01:01:40,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:40,867 INFO L225 Difference]: With dead ends: 371 [2019-11-07 01:01:40,867 INFO L226 Difference]: Without dead ends: 272 [2019-11-07 01:01:40,869 INFO L630 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 [2019-11-07 01:01:40,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-11-07 01:01:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2019-11-07 01:01:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-07 01:01:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-11-07 01:01:40,960 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-11-07 01:01:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:40,961 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-11-07 01:01:40,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-11-07 01:01:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:40,968 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:40,968 INFO L410 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] [2019-11-07 01:01:40,969 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:40,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1814289492, now seen corresponding path program 1 times [2019-11-07 01:01:40,969 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:40,970 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128432558] [2019-11-07 01:01:40,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:41,116 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128432558] [2019-11-07 01:01:41,116 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:41,116 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:41,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771475888] [2019-11-07 01:01:41,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:41,118 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:41,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:41,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:41,119 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2019-11-07 01:01:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:41,836 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2019-11-07 01:01:41,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:41,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-11-07 01:01:41,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:41,852 INFO L225 Difference]: With dead ends: 920 [2019-11-07 01:01:41,852 INFO L226 Difference]: Without dead ends: 684 [2019-11-07 01:01:41,855 INFO L630 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 [2019-11-07 01:01:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-11-07 01:01:41,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2019-11-07 01:01:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2019-11-07 01:01:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2019-11-07 01:01:41,943 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2019-11-07 01:01:41,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:41,945 INFO L462 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2019-11-07 01:01:41,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:41,948 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2019-11-07 01:01:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 01:01:41,958 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:41,958 INFO L410 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] [2019-11-07 01:01:41,958 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:41,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:41,964 INFO L82 PathProgramCache]: Analyzing trace with hash 176933658, now seen corresponding path program 1 times [2019-11-07 01:01:41,965 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:41,965 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241832165] [2019-11-07 01:01:41,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:42,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241832165] [2019-11-07 01:01:42,106 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:42,107 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:01:42,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275357737] [2019-11-07 01:01:42,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:01:42,107 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:42,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:42,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:01:42,109 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2019-11-07 01:01:42,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:42,299 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2019-11-07 01:01:42,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:42,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-07 01:01:42,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:42,304 INFO L225 Difference]: With dead ends: 1086 [2019-11-07 01:01:42,305 INFO L226 Difference]: Without dead ends: 438 [2019-11-07 01:01:42,307 INFO L630 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 [2019-11-07 01:01:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-11-07 01:01:42,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2019-11-07 01:01:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-11-07 01:01:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-11-07 01:01:42,342 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2019-11-07 01:01:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:42,342 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-11-07 01:01:42,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:01:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-11-07 01:01:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:01:42,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:42,347 INFO L410 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] [2019-11-07 01:01:42,347 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:42,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:42,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1524461315, now seen corresponding path program 1 times [2019-11-07 01:01:42,348 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:42,348 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43876108] [2019-11-07 01:01:42,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:42,484 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43876108] [2019-11-07 01:01:42,485 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462776977] [2019-11-07 01:01:42,485 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 [2019-11-07 01:01:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:42,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:42,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:42,846 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:43,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:43,127 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1875416043] [2019-11-07 01:01:43,133 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-11-07 01:01:43,174 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:43,175 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:43,249 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:43,251 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. [2019-11-07 01:01:43,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:43,256 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:43,324 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:43,324 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:43,327 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-11-07 01:01:43,328 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:43,328 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:43,329 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:43,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390105424] [2019-11-07 01:01:43,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:43,330 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:43,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:43,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:43,331 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 2 states. [2019-11-07 01:01:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:43,338 INFO L93 Difference]: Finished difference Result 426 states and 488 transitions. [2019-11-07 01:01:43,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:43,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-11-07 01:01:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:43,339 INFO L225 Difference]: With dead ends: 426 [2019-11-07 01:01:43,339 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:43,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 170 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:43,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:43,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-11-07 01:01:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:43,342 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:43,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:43,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:43,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:43,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:43,851 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 01:01:43,851 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-11-07 01:01:43,851 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-11-07 01:01:43,851 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-11-07 01:01:43,852 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-11-07 01:01:43,853 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-11-07 01:01:43,854 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 925 931) the Hoare annotation is: true [2019-11-07 01:01:43,854 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 925 931) no Hoare annotation was computed. [2019-11-07 01:01:43,854 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 932 940) no Hoare annotation was computed. [2019-11-07 01:01:43,854 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 932 940) the Hoare annotation is: true [2019-11-07 01:01:43,854 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 932 940) no Hoare annotation was computed. [2019-11-07 01:01:43,854 INFO L446 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2019-11-07 01:01:43,857 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 881 905) the Hoare annotation is: true [2019-11-07 01:01:43,857 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 899) no Hoare annotation was computed. [2019-11-07 01:01:43,857 INFO L446 ceAbstractionStarter]: At program point L891(line 891) the Hoare annotation is: true [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L891-1(line 891) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 902) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 881 905) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L446 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: true [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L887-1(line 887) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 881 905) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-11-07 01:01:43,858 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: true [2019-11-07 01:01:43,859 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-11-07 01:01:43,859 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-11-07 01:01:43,859 INFO L446 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: true [2019-11-07 01:01:43,860 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-07 01:01:43,862 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 01:01:43,863 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 01:01:43,864 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 766 780) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 766 780) the Hoare annotation is: true [2019-11-07 01:01:43,865 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 766 780) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-11-07 01:01:43,865 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 776) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 702 710) no Hoare annotation was computed. [2019-11-07 01:01:43,865 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 702 710) the Hoare annotation is: true [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 702 710) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 747 765) the Hoare annotation is: true [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 747 765) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L446 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 760) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 747 765) no Hoare annotation was computed. [2019-11-07 01:01:43,866 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point L730-2(lines 730 738) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 711 746) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 726) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 711 746) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-11-07 01:01:43,867 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 711 746) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 918 924) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 918 924) the Hoare annotation is: true [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-11-07 01:01:43,868 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-11-07 01:01:43,869 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 691 701) the Hoare annotation is: true [2019-11-07 01:01:43,869 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 691 701) no Hoare annotation was computed. [2019-11-07 01:01:43,870 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-11-07 01:01:43,870 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-11-07 01:01:43,870 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 691 701) no Hoare annotation was computed. [2019-11-07 01:01:43,870 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 683 690) the Hoare annotation is: true [2019-11-07 01:01:43,871 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 683 690) no Hoare annotation was computed. [2019-11-07 01:01:43,871 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 683 690) no Hoare annotation was computed. [2019-11-07 01:01:43,871 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-11-07 01:01:43,871 INFO L443 ceAbstractionStarter]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2019-11-07 01:01:43,871 INFO L446 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: true [2019-11-07 01:01:43,871 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2019-11-07 01:01:43,871 INFO L446 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: true [2019-11-07 01:01:43,872 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 650 674) the Hoare annotation is: true [2019-11-07 01:01:43,872 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 666) no Hoare annotation was computed. [2019-11-07 01:01:43,872 INFO L446 ceAbstractionStarter]: At program point L656(line 656) the Hoare annotation is: true [2019-11-07 01:01:43,872 INFO L443 ceAbstractionStarter]: For program point L656-1(line 656) no Hoare annotation was computed. [2019-11-07 01:01:43,872 INFO L443 ceAbstractionStarter]: For program point L654(lines 654 671) no Hoare annotation was computed. [2019-11-07 01:01:43,872 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 616 622) no Hoare annotation was computed. [2019-11-07 01:01:43,872 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 616 622) the Hoare annotation is: true [2019-11-07 01:01:43,873 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 512 579) the Hoare annotation is: true [2019-11-07 01:01:43,873 INFO L446 ceAbstractionStarter]: At program point L572(lines 521 573) the Hoare annotation is: true [2019-11-07 01:01:43,873 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 512 579) no Hoare annotation was computed. [2019-11-07 01:01:43,873 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-11-07 01:01:43,873 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-11-07 01:01:43,873 INFO L446 ceAbstractionStarter]: At program point L560-1(lines 552 567) the Hoare annotation is: true [2019-11-07 01:01:43,873 INFO L443 ceAbstractionStarter]: For program point L523(lines 522 571) no Hoare annotation was computed. [2019-11-07 01:01:43,874 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-11-07 01:01:43,874 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 567) no Hoare annotation was computed. [2019-11-07 01:01:43,874 INFO L446 ceAbstractionStarter]: At program point L544(line 544) the Hoare annotation is: true [2019-11-07 01:01:43,874 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 548) no Hoare annotation was computed. [2019-11-07 01:01:43,874 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 542 548) no Hoare annotation was computed. [2019-11-07 01:01:43,874 INFO L446 ceAbstractionStarter]: At program point L569(lines 522 571) the Hoare annotation is: true [2019-11-07 01:01:43,874 INFO L446 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2019-11-07 01:01:43,874 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 538) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 532 538) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 512 579) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-11-07 01:01:43,875 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 870 878) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 870 878) the Hoare annotation is: true [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 870 878) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-11-07 01:01:43,876 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-07 01:01:43,877 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-11-07 01:01:43,878 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-11-07 01:01:43,878 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-11-07 01:01:43,878 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-11-07 01:01:43,878 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-11-07 01:01:43,878 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-11-07 01:01:43,879 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-07 01:01:43,879 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-11-07 01:01:43,880 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-11-07 01:01:43,880 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-11-07 01:01:43,880 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 908 917) no Hoare annotation was computed. [2019-11-07 01:01:43,880 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 908 917) no Hoare annotation was computed. [2019-11-07 01:01:43,880 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 908 917) no Hoare annotation was computed. [2019-11-07 01:01:43,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,881 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 01:01:43,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,881 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 675 682) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 675 682) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 675 682) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-11-07 01:01:43,882 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-11-07 01:01:43,883 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,883 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,883 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,883 INFO L446 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: true [2019-11-07 01:01:43,883 INFO L446 ceAbstractionStarter]: At program point L603(lines 603 609) the Hoare annotation is: true [2019-11-07 01:01:43,883 INFO L446 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: true [2019-11-07 01:01:43,883 INFO L443 ceAbstractionStarter]: For program point L596(lines 595 614) no Hoare annotation was computed. [2019-11-07 01:01:43,883 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 592 615) the Hoare annotation is: true [2019-11-07 01:01:43,884 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 592 615) no Hoare annotation was computed. [2019-11-07 01:01:43,884 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 592 615) no Hoare annotation was computed. [2019-11-07 01:01:43,884 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 01:01:43,884 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 01:01:43,885 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 01:01:43,885 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 01:01:43,885 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 01:01:43,885 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-07 01:01:43,885 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 01:01:43,885 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 01:01:43,885 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 01:01:43,886 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 01:01:43,886 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-11-07 01:01:43,886 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-11-07 01:01:43,886 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-11-07 01:01:43,886 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-11-07 01:01:43,886 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-11-07 01:01:43,886 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-11-07 01:01:43,886 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 01:01:43,887 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 01:01:43,887 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,888 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:43,888 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:43,888 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:43,888 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 781 788) no Hoare annotation was computed. [2019-11-07 01:01:43,888 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 781 788) the Hoare annotation is: true [2019-11-07 01:01:43,888 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 781 788) no Hoare annotation was computed. [2019-11-07 01:01:43,888 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-11-07 01:01:43,888 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-11-07 01:01:43,889 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: true [2019-11-07 01:01:43,889 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 942 949) no Hoare annotation was computed. [2019-11-07 01:01:43,889 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 942 949) the Hoare annotation is: true [2019-11-07 01:01:43,889 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 946) no Hoare annotation was computed. [2019-11-07 01:01:43,889 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 942 949) no Hoare annotation was computed. [2019-11-07 01:01:43,889 INFO L446 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: true [2019-11-07 01:01:43,889 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 624 648) no Hoare annotation was computed. [2019-11-07 01:01:43,890 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 624 648) the Hoare annotation is: true [2019-11-07 01:01:43,890 INFO L446 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: true [2019-11-07 01:01:43,890 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-11-07 01:01:43,890 INFO L446 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2019-11-07 01:01:43,890 INFO L443 ceAbstractionStarter]: For program point L630-1(line 630) no Hoare annotation was computed. [2019-11-07 01:01:43,890 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 645) no Hoare annotation was computed. [2019-11-07 01:01:43,890 INFO L446 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: true [2019-11-07 01:01:43,891 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 624 648) no Hoare annotation was computed. [2019-11-07 01:01:43,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:43 BoogieIcfgContainer [2019-11-07 01:01:43,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:43,907 INFO L168 Benchmark]: Toolchain (without parser) took 6824.05 ms. Allocated memory was 143.1 MB in the beginning and 300.4 MB in the end (delta: 157.3 MB). Free memory was 99.3 MB in the beginning and 153.3 MB in the end (delta: -54.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:43,907 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 117.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 01:01:43,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.13 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 167.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:43,914 INFO L168 Benchmark]: Boogie Preprocessor took 93.70 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:43,915 INFO L168 Benchmark]: RCFGBuilder took 1352.95 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.8 MB in the beginning and 195.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:43,915 INFO L168 Benchmark]: TraceAbstraction took 4547.39 ms. Allocated memory was 229.6 MB in the beginning and 300.4 MB in the end (delta: 70.8 MB). Free memory was 193.6 MB in the beginning and 153.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:43,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 117.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.13 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 167.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.70 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1352.95 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.8 MB in the beginning and 195.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4547.39 ms. Allocated memory was 229.6 MB in the beginning and 300.4 MB in the end (delta: 70.8 MB). Free memory was 193.6 MB in the beginning and 153.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 111.1 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: 4.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 749 SDtfs, 606 SDslu, 1733 SDs, 0 SdLazy, 591 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 193 SyntacticMatches, 8 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 731 PreInvPairs, 732 NumberOfFragments, 64 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 123, 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...