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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:43,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:43,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:43,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:43,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:43,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:43,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:43,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:43,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:43,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:43,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:43,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:43,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:43,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:43,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:43,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:43,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:43,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:43,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:43,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:43,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:43,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:43,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:43,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:43,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:43,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:43,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:43,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:43,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:43,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:43,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:43,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:43,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:43,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:43,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:43,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:43,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:43,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:43,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:43,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:43,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:43,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:20:43,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:43,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:43,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:43,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:43,863 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:43,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:43,863 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:43,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:43,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:43,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:43,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:43,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:43,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:43,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:43,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:43,865 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:43,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:43,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:43,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:43,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:43,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:43,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:43,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:43,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:43,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:43,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:43,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:43,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:43,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:44,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:44,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:44,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:44,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:44,170 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:44,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-13 21:20:44,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97d4f8a4/c9686c79dedd4ec48fad828f5a3dd857/FLAGc078b5f7a [2019-10-13 21:20:44,819 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:44,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-10-13 21:20:44,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97d4f8a4/c9686c79dedd4ec48fad828f5a3dd857/FLAGc078b5f7a [2019-10-13 21:20:45,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97d4f8a4/c9686c79dedd4ec48fad828f5a3dd857 [2019-10-13 21:20:45,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:45,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:45,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:45,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:45,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:45,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe97d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45, skipping insertion in model container [2019-10-13 21:20:45,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:45,176 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:45,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:45,692 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:45,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:45,864 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:45,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45 WrapperNode [2019-10-13 21:20:45,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:45,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:45,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:45,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:45,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:45,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... [2019-10-13 21:20:46,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:46,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:46,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:46,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:46,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:47,268 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:47,268 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:47,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:47 BoogieIcfgContainer [2019-10-13 21:20:47,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:47,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:47,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:47,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:47,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:45" (1/3) ... [2019-10-13 21:20:47,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a669401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:47, skipping insertion in model container [2019-10-13 21:20:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:45" (2/3) ... [2019-10-13 21:20:47,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a669401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:47, skipping insertion in model container [2019-10-13 21:20:47,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:47" (3/3) ... [2019-10-13 21:20:47,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-10-13 21:20:47,291 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:47,303 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:47,315 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:47,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:47,354 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:47,354 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:47,354 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:47,354 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:47,354 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:47,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:47,355 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-13 21:20:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:47,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:47,390 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:47,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:47,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:47,396 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2019-10-13 21:20:47,406 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:47,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738206939] [2019-10-13 21:20:47,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:47,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738206939] [2019-10-13 21:20:47,774 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:47,775 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:47,775 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510107240] [2019-10-13 21:20:47,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:47,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:47,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:47,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:47,802 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-13 21:20:47,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:47,861 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2019-10-13 21:20:47,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:47,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:20:47,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:47,878 INFO L225 Difference]: With dead ends: 264 [2019-10-13 21:20:47,879 INFO L226 Difference]: Without dead ends: 134 [2019-10-13 21:20:47,883 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:47,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-13 21:20:47,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-13 21:20:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-13 21:20:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-10-13 21:20:47,937 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2019-10-13 21:20:47,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:47,938 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-10-13 21:20:47,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-10-13 21:20:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:47,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:47,943 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:47,943 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:47,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:47,944 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2019-10-13 21:20:47,944 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:47,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455593131] [2019-10-13 21:20:47,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:47,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:48,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455593131] [2019-10-13 21:20:48,088 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:48,088 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:48,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311176794] [2019-10-13 21:20:48,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:48,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:48,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:48,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:48,095 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2019-10-13 21:20:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:48,129 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2019-10-13 21:20:48,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:48,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:20:48,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:48,136 INFO L225 Difference]: With dead ends: 207 [2019-10-13 21:20:48,136 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 21:20:48,139 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 21:20:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 21:20:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 21:20:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2019-10-13 21:20:48,169 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2019-10-13 21:20:48,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:48,169 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2019-10-13 21:20:48,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2019-10-13 21:20:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 21:20:48,172 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:48,172 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:48,172 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:48,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:48,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2019-10-13 21:20:48,173 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:48,173 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377029631] [2019-10-13 21:20:48,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:48,174 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:48,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:48,360 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377029631] [2019-10-13 21:20:48,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:48,360 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:48,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466990972] [2019-10-13 21:20:48,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:48,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:48,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:48,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:48,362 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2019-10-13 21:20:48,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:48,871 INFO L93 Difference]: Finished difference Result 370 states and 453 transitions. [2019-10-13 21:20:48,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:48,872 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 21:20:48,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:48,876 INFO L225 Difference]: With dead ends: 370 [2019-10-13 21:20:48,877 INFO L226 Difference]: Without dead ends: 273 [2019-10-13 21:20:48,878 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:48,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-13 21:20:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2019-10-13 21:20:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-10-13 21:20:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2019-10-13 21:20:48,926 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2019-10-13 21:20:48,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:48,927 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2019-10-13 21:20:48,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2019-10-13 21:20:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 21:20:48,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:48,936 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:48,937 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:48,937 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2019-10-13 21:20:48,937 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:48,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715745959] [2019-10-13 21:20:48,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:48,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:48,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:49,085 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715745959] [2019-10-13 21:20:49,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:49,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:49,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739590248] [2019-10-13 21:20:49,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:49,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:49,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:49,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:49,088 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2019-10-13 21:20:49,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:49,327 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2019-10-13 21:20:49,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:49,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-13 21:20:49,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:49,338 INFO L225 Difference]: With dead ends: 721 [2019-10-13 21:20:49,340 INFO L226 Difference]: Without dead ends: 484 [2019-10-13 21:20:49,344 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:49,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-13 21:20:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2019-10-13 21:20:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-13 21:20:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2019-10-13 21:20:49,420 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2019-10-13 21:20:49,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:49,420 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2019-10-13 21:20:49,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2019-10-13 21:20:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 21:20:49,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:49,424 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:49,424 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:49,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1032831448, now seen corresponding path program 1 times [2019-10-13 21:20:49,425 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:49,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854827619] [2019-10-13 21:20:49,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:49,534 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854827619] [2019-10-13 21:20:49,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:49,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:49,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687512882] [2019-10-13 21:20:49,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:49,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:49,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:49,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:49,537 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2019-10-13 21:20:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:50,274 INFO L93 Difference]: Finished difference Result 1245 states and 1650 transitions. [2019-10-13 21:20:50,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:50,275 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-13 21:20:50,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:50,281 INFO L225 Difference]: With dead ends: 1245 [2019-10-13 21:20:50,282 INFO L226 Difference]: Without dead ends: 795 [2019-10-13 21:20:50,284 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-13 21:20:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2019-10-13 21:20:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-13 21:20:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2019-10-13 21:20:50,344 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2019-10-13 21:20:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:50,345 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2019-10-13 21:20:50,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2019-10-13 21:20:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:50,348 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:50,348 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:50,348 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:50,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:50,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1961211398, now seen corresponding path program 1 times [2019-10-13 21:20:50,349 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:50,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934715256] [2019-10-13 21:20:50,350 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,350 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:50,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934715256] [2019-10-13 21:20:50,442 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:50,442 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:50,442 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17524120] [2019-10-13 21:20:50,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:50,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:50,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:50,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:50,444 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 4 states. [2019-10-13 21:20:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:50,777 INFO L93 Difference]: Finished difference Result 2560 states and 3348 transitions. [2019-10-13 21:20:50,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:50,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-13 21:20:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:50,792 INFO L225 Difference]: With dead ends: 2560 [2019-10-13 21:20:50,792 INFO L226 Difference]: Without dead ends: 1889 [2019-10-13 21:20:50,796 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:50,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2019-10-13 21:20:50,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1843. [2019-10-13 21:20:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1843 states. [2019-10-13 21:20:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2345 transitions. [2019-10-13 21:20:50,921 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2345 transitions. Word has length 88 [2019-10-13 21:20:50,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:50,922 INFO L462 AbstractCegarLoop]: Abstraction has 1843 states and 2345 transitions. [2019-10-13 21:20:50,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2345 transitions. [2019-10-13 21:20:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:50,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:50,926 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:50,926 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:50,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:50,927 INFO L82 PathProgramCache]: Analyzing trace with hash 608275001, now seen corresponding path program 1 times [2019-10-13 21:20:50,927 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:50,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291147596] [2019-10-13 21:20:50,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:51,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291147596] [2019-10-13 21:20:51,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:51,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:51,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23935506] [2019-10-13 21:20:51,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:51,007 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:51,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:51,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:51,008 INFO L87 Difference]: Start difference. First operand 1843 states and 2345 transitions. Second operand 6 states. [2019-10-13 21:20:51,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:51,134 INFO L93 Difference]: Finished difference Result 3718 states and 4842 transitions. [2019-10-13 21:20:51,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:51,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:20:51,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:51,148 INFO L225 Difference]: With dead ends: 3718 [2019-10-13 21:20:51,149 INFO L226 Difference]: Without dead ends: 1903 [2019-10-13 21:20:51,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:51,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2019-10-13 21:20:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1903. [2019-10-13 21:20:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2019-10-13 21:20:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2409 transitions. [2019-10-13 21:20:51,340 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2409 transitions. Word has length 88 [2019-10-13 21:20:51,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:51,341 INFO L462 AbstractCegarLoop]: Abstraction has 1903 states and 2409 transitions. [2019-10-13 21:20:51,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2409 transitions. [2019-10-13 21:20:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:51,345 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:51,345 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:51,346 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:51,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1309874875, now seen corresponding path program 1 times [2019-10-13 21:20:51,346 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:51,347 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526658436] [2019-10-13 21:20:51,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:51,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526658436] [2019-10-13 21:20:51,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:51,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:51,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154976697] [2019-10-13 21:20:51,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:51,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:51,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:51,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:51,463 INFO L87 Difference]: Start difference. First operand 1903 states and 2409 transitions. Second operand 8 states. [2019-10-13 21:20:51,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:51,585 INFO L93 Difference]: Finished difference Result 3534 states and 4612 transitions. [2019-10-13 21:20:51,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:51,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-10-13 21:20:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:51,603 INFO L225 Difference]: With dead ends: 3534 [2019-10-13 21:20:51,603 INFO L226 Difference]: Without dead ends: 1659 [2019-10-13 21:20:51,613 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:51,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-13 21:20:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1659. [2019-10-13 21:20:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2019-10-13 21:20:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2059 transitions. [2019-10-13 21:20:51,758 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2059 transitions. Word has length 88 [2019-10-13 21:20:51,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:51,758 INFO L462 AbstractCegarLoop]: Abstraction has 1659 states and 2059 transitions. [2019-10-13 21:20:51,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2059 transitions. [2019-10-13 21:20:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:20:51,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:51,764 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:51,764 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:51,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1814435734, now seen corresponding path program 1 times [2019-10-13 21:20:51,765 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:51,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502220795] [2019-10-13 21:20:51,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,765 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:51,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502220795] [2019-10-13 21:20:51,866 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:51,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:51,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278654826] [2019-10-13 21:20:51,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:51,867 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:51,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:51,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:51,868 INFO L87 Difference]: Start difference. First operand 1659 states and 2059 transitions. Second operand 3 states. [2019-10-13 21:20:51,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:51,984 INFO L93 Difference]: Finished difference Result 2630 states and 3369 transitions. [2019-10-13 21:20:51,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:51,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-13 21:20:51,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:52,003 INFO L225 Difference]: With dead ends: 2630 [2019-10-13 21:20:52,004 INFO L226 Difference]: Without dead ends: 2627 [2019-10-13 21:20:52,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:52,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2019-10-13 21:20:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2467. [2019-10-13 21:20:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2019-10-13 21:20:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3173 transitions. [2019-10-13 21:20:52,251 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3173 transitions. Word has length 92 [2019-10-13 21:20:52,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:52,254 INFO L462 AbstractCegarLoop]: Abstraction has 2467 states and 3173 transitions. [2019-10-13 21:20:52,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3173 transitions. [2019-10-13 21:20:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 21:20:52,267 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:52,268 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:52,268 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:52,268 INFO L82 PathProgramCache]: Analyzing trace with hash -374585462, now seen corresponding path program 1 times [2019-10-13 21:20:52,269 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:52,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982852487] [2019-10-13 21:20:52,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:20:52,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982852487] [2019-10-13 21:20:52,437 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134028161] [2019-10-13 21:20:52,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:52,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:52,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:52,981 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:52,981 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:20:53,514 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:53,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:53,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207911775] [2019-10-13 21:20:53,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:53,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:53,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:53,517 INFO L87 Difference]: Start difference. First operand 2467 states and 3173 transitions. Second operand 8 states. [2019-10-13 21:20:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:54,130 INFO L93 Difference]: Finished difference Result 4726 states and 6152 transitions. [2019-10-13 21:20:54,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:54,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2019-10-13 21:20:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:54,148 INFO L225 Difference]: With dead ends: 4726 [2019-10-13 21:20:54,149 INFO L226 Difference]: Without dead ends: 2287 [2019-10-13 21:20:54,159 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:54,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2019-10-13 21:20:54,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2287. [2019-10-13 21:20:54,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2287 states. [2019-10-13 21:20:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 2873 transitions. [2019-10-13 21:20:54,388 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 2873 transitions. Word has length 150 [2019-10-13 21:20:54,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:54,389 INFO L462 AbstractCegarLoop]: Abstraction has 2287 states and 2873 transitions. [2019-10-13 21:20:54,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2873 transitions. [2019-10-13 21:20:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 21:20:54,400 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:54,401 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2019-10-13 21:20:54,609 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:54,609 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:54,610 INFO L82 PathProgramCache]: Analyzing trace with hash -936503095, now seen corresponding path program 1 times [2019-10-13 21:20:54,610 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:54,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817881822] [2019-10-13 21:20:54,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,611 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:54,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817881822] [2019-10-13 21:20:54,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959389868] [2019-10-13 21:20:54,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:54,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:54,972 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:55,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:55,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-13 21:20:55,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150665255] [2019-10-13 21:20:55,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:55,173 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:55,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:55,174 INFO L87 Difference]: Start difference. First operand 2287 states and 2873 transitions. Second operand 3 states. [2019-10-13 21:20:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:55,402 INFO L93 Difference]: Finished difference Result 4061 states and 5175 transitions. [2019-10-13 21:20:55,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:55,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-13 21:20:55,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:55,416 INFO L225 Difference]: With dead ends: 4061 [2019-10-13 21:20:55,417 INFO L226 Difference]: Without dead ends: 2118 [2019-10-13 21:20:55,425 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2019-10-13 21:20:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 1462. [2019-10-13 21:20:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1462 states. [2019-10-13 21:20:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1660 transitions. [2019-10-13 21:20:55,524 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1660 transitions. Word has length 150 [2019-10-13 21:20:55,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,524 INFO L462 AbstractCegarLoop]: Abstraction has 1462 states and 1660 transitions. [2019-10-13 21:20:55,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1660 transitions. [2019-10-13 21:20:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 21:20:55,531 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:55,531 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:55,737 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:55,737 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:55,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:55,738 INFO L82 PathProgramCache]: Analyzing trace with hash -2018968461, now seen corresponding path program 1 times [2019-10-13 21:20:55,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:55,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236193177] [2019-10-13 21:20:55,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-13 21:20:55,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236193177] [2019-10-13 21:20:55,817 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:55,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:55,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224135973] [2019-10-13 21:20:55,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:55,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:55,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:55,819 INFO L87 Difference]: Start difference. First operand 1462 states and 1660 transitions. Second operand 3 states. [2019-10-13 21:20:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:55,898 INFO L93 Difference]: Finished difference Result 1655 states and 1889 transitions. [2019-10-13 21:20:55,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:55,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-13 21:20:55,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:55,900 INFO L225 Difference]: With dead ends: 1655 [2019-10-13 21:20:55,900 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:55,904 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:55,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:55,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-10-13 21:20:55,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,906 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:55,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:55,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:55,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:57,040 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2019-10-13 21:20:57,292 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2019-10-13 21:20:57,987 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 53 [2019-10-13 21:20:58,234 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2019-10-13 21:20:58,448 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2019-10-13 21:20:58,760 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2019-10-13 21:20:59,045 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2019-10-13 21:20:59,429 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-10-13 21:20:59,593 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2019-10-13 21:20:59,780 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2019-10-13 21:20:59,905 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-13 21:21:00,022 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-13 21:21:00,204 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-10-13 21:21:00,357 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-10-13 21:21:00,697 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-10-13 21:21:00,803 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2019-10-13 21:21:00,995 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2019-10-13 21:21:01,272 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2019-10-13 21:21:01,512 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2019-10-13 21:21:01,739 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 31 [2019-10-13 21:21:01,855 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-10-13 21:21:02,395 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2019-10-13 21:21:02,398 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-10-13 21:21:02,398 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L692(lines 669 693) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 680) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 737) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2019-10-13 21:21:02,399 INFO L443 ceAbstractionStarter]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point L753(lines 726 754) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point L746(line 746) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2019-10-13 21:21:02,400 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2019-10-13 21:21:02,401 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2019-10-13 21:21:02,401 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2019-10-13 21:21:02,401 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,401 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2019-10-13 21:21:02,401 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2019-10-13 21:21:02,401 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-13 21:21:02,402 INFO L439 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-13 21:21:02,402 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-10-13 21:21:02,402 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2019-10-13 21:21:02,402 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 21:21:02,402 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,403 INFO L439 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,403 INFO L439 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-13 21:21:02,403 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-13 21:21:02,404 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (or .cse1 .cse10 .cse11)) (.cse9 (= 0 ~systemActive~0)) (.cse8 (not (= |old(~systemActive~0)| 0))) (.cse4 (or (or .cse10 .cse7) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or .cse5 .cse6) (or (or .cse0 .cse3 .cse7) .cse2) (or .cse8 .cse9 .cse6) (or .cse9 .cse8 .cse4)))) [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (or .cse4 .cse6) .cse5) (or (or .cse0 .cse3 .cse6) .cse2))) [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:21:02,405 INFO L443 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 502) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point L517-1(line 517) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2019-10-13 21:21:02,406 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 946) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 939) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2019-10-13 21:21:02,407 INFO L439 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,407 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1))) [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:21:02,408 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-13 21:21:02,409 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-13 21:21:02,409 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:21:02,409 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5 .cse1 .cse6)) (or .cse0 .cse4 .cse1) (or .cse3 (or .cse5 .cse1 .cse6 .cse2)))) [2019-10-13 21:21:02,409 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2019-10-13 21:21:02,409 INFO L439 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse3 .cse1 .cse4 .cse2) (or .cse5 .cse3 .cse1 .cse4) (or .cse0 .cse5 .cse1))) [2019-10-13 21:21:02,409 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2019-10-13 21:21:02,409 INFO L439 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse5) (or .cse0 .cse6 (and .cse3 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse1))) [2019-10-13 21:21:02,409 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse3 .cse1) (or .cse5 (or .cse4 .cse6 .cse1 .cse7)) (or .cse5 (or .cse6 .cse1 .cse7 .cse2)))) [2019-10-13 21:21:02,409 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-10-13 21:21:02,410 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2019-10-13 21:21:02,410 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-13 21:21:02,410 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-10-13 21:21:02,410 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2019-10-13 21:21:02,410 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2019-10-13 21:21:02,410 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,410 INFO L439 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse7 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:02,410 INFO L439 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and (and .cse1 .cse3) .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:02,410 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-10-13 21:21:02,411 INFO L443 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2019-10-13 21:21:02,411 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2019-10-13 21:21:02,411 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-13 21:21:02,411 INFO L439 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:02,411 INFO L439 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:02,411 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-10-13 21:21:02,412 INFO L439 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 .cse4 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse4 .cse5) .cse7) (and (and .cse2 .cse3 .cse5) .cse7) (and .cse0 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:02,412 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-10-13 21:21:02,412 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-10-13 21:21:02,412 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse5 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:02,412 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-10-13 21:21:02,412 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2019-10-13 21:21:02,412 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 893) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 900) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2019-10-13 21:21:02,413 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse7)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~pumpRunning~0)) .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-13 21:21:02,414 INFO L439 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse1 .cse3) .cse4) (or .cse1 .cse2 .cse3) (or .cse5 .cse2 .cse3) (or (or .cse0 .cse1) .cse4) (or .cse5 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2019-10-13 21:21:02,414 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-10-13 21:21:02,414 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-10-13 21:21:02,414 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1))) (let ((.cse7 (not (= ~systemActive~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not .cse2)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse3 .cse8 .cse5) (or (or .cse6 .cse9) .cse7) (or .cse6 .cse4 .cse9) (or .cse0 .cse4 .cse9) (or .cse1 .cse6 .cse3 .cse4 .cse8 .cse5)))) [2019-10-13 21:21:02,414 INFO L443 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2019-10-13 21:21:02,414 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-10-13 21:21:02,414 INFO L443 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 1))) (let ((.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse7)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (<= 1 ~pumpRunning~0)) .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:02,415 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2019-10-13 21:21:02,416 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L851(lines 851 862) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L833(lines 811 834) no Hoare annotation was computed. [2019-10-13 21:21:02,417 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 808) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 859) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point L813(lines 812 832) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 850) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,418 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:02,418 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,419 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2019-10-13 21:21:02,419 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2019-10-13 21:21:02,419 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:21:02,419 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-10-13 21:21:02,420 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-10-13 21:21:02,420 INFO L443 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 .cse6 (or .cse7 .cse1 .cse3)) (or .cse6 (or .cse8 .cse7 .cse2)) (or .cse6 (or .cse7 .cse1 .cse2 .cse3)) (or .cse8 .cse0 .cse2 .cse3 .cse4) (or (or .cse1 .cse3 .cse4) .cse0 .cse5))) [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,421 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 21:21:02,421 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:21:02,422 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:21:02,423 INFO L439 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and (= ~pumpRunning~0 0) .cse9)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse2 .cse5 .cse3 .cse6 .cse4 .cse7) (or (or .cse8 .cse1 .cse3 .cse4) .cse9) (or .cse10 (or .cse8 .cse1 .cse3)) (or .cse11 (or .cse1 .cse2)) (or .cse1 .cse2 .cse5 .cse3 .cse6 .cse4) (or .cse0 (or .cse2 .cse3 .cse4 .cse7)) (or .cse10 (or .cse8 .cse3 .cse7)) (or (or .cse2 .cse7) .cse11)))) [2019-10-13 21:21:02,423 INFO L439 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0)) (.cse12 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse9 (and .cse11 .cse12)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (<= 1 ~pumpRunning~0) (not .cse11) .cse12)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse3) .cse5 .cse0) (or .cse0 .cse5 (or .cse6 .cse4)) (or .cse0 (or .cse1 .cse6 .cse2)) (or .cse0 (or .cse4 .cse2 .cse7 .cse3) .cse8) (or .cse6 .cse4 .cse5 .cse9 .cse10 .cse7) (or .cse4 .cse5 .cse9 .cse10 .cse7 .cse3) (or .cse6 .cse4 .cse9 .cse2 .cse10 .cse7) (or .cse4 .cse9 .cse2 .cse10 .cse7 .cse3) (or .cse8 .cse0 (or .cse6 .cse4 .cse2 .cse7))))) [2019-10-13 21:21:02,423 INFO L439 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse1 .cse2) (= 0 ~methAndRunningLastTime~0)) (or .cse6 (or .cse4 .cse5 .cse1)) (or .cse7 (or .cse5 .cse0)) (or .cse6 (or .cse4 .cse1 .cse3)) (or (or .cse0 .cse3) .cse7) (or .cse5 .cse0 .cse1 .cse2))) [2019-10-13 21:21:02,423 INFO L443 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse11 .cse6)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 (or .cse0 .cse1 .cse5)) (or .cse7 (or .cse0 .cse1 .cse8 .cse5)) (or .cse1 .cse3 .cse8 .cse4 .cse5 .cse9) (or (or .cse10 .cse0 .cse8 .cse5) .cse6) (or (or .cse1 .cse9) .cse2 .cse11) (or .cse12 (or .cse10 .cse0 .cse8)) (or .cse11 .cse2 (or .cse0 .cse1)) (or .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (or .cse7 (or .cse1 .cse8 .cse5 .cse9)) (or .cse12 (or .cse10 .cse8 .cse9)) (or .cse1 .cse2 (and .cse3 .cse6) .cse4 .cse5 .cse9)))) [2019-10-13 21:21:02,424 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-10-13 21:21:02,424 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-10-13 21:21:02,424 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-13 21:21:02,424 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-10-13 21:21:02,425 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-13 21:21:02,425 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-13 21:21:02,425 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-10-13 21:21:02,425 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-13 21:21:02,426 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 21:21:02,426 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:21:02,426 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:21:02,426 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-10-13 21:21:02,426 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-10-13 21:21:02,427 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,427 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-13 21:21:02,427 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:02,427 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:02,427 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse0 .cse4)) (or .cse2 (or .cse3 .cse0 .cse4 .cse1)))) [2019-10-13 21:21:02,427 INFO L439 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~pumpRunning~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3)))) [2019-10-13 21:21:02,428 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2019-10-13 21:21:02,428 INFO L439 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or .cse2 .cse0 .cse3 .cse1) .cse4) (or .cse4 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3)))) [2019-10-13 21:21:02,428 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-10-13 21:21:02,428 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse0 .cse4)) (or .cse2 (or .cse3 .cse0 .cse4 .cse1)))) [2019-10-13 21:21:02,428 INFO L443 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2019-10-13 21:21:02,428 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-10-13 21:21:02,428 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 .cse0 .cse3 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0 .cse3))) [2019-10-13 21:21:02,428 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2019-10-13 21:21:02,429 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:21:02,429 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:21:02,429 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse6 .cse3 .cse4))) [2019-10-13 21:21:02,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:21:02,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-10-13 21:21:02,429 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2019-10-13 21:21:02,429 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:21:02,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:02 BoogieIcfgContainer [2019-10-13 21:21:02,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:02,464 INFO L168 Benchmark]: Toolchain (without parser) took 17355.99 ms. Allocated memory was 146.3 MB in the beginning and 546.8 MB in the end (delta: 400.6 MB). Free memory was 103.0 MB in the beginning and 146.9 MB in the end (delta: -43.9 MB). Peak memory consumption was 361.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,464 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.19 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 168.0 MB in the end (delta: -65.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,466 INFO L168 Benchmark]: Boogie Preprocessor took 144.16 ms. Allocated memory is still 204.5 MB. Free memory was 168.0 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,466 INFO L168 Benchmark]: RCFGBuilder took 1257.51 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 191.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,471 INFO L168 Benchmark]: TraceAbstraction took 15189.13 ms. Allocated memory was 235.4 MB in the beginning and 546.8 MB in the end (delta: 311.4 MB). Free memory was 191.2 MB in the beginning and 146.9 MB in the end (delta: 44.3 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:02,474 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.19 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.8 MB in the beginning and 168.0 MB in the end (delta: -65.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.16 ms. Allocated memory is still 204.5 MB. Free memory was 168.0 MB in the beginning and 164.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1257.51 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 191.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15189.13 ms. Allocated memory was 235.4 MB in the beginning and 546.8 MB in the end (delta: 311.4 MB). Free memory was 191.2 MB in the beginning and 146.9 MB in the end (delta: 44.3 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((((((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && !(1 == waterLevel)) && 0 == splverifierCounter) && 1 <= methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 15.0s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, HoareTripleCheckerStatistics: 2133 SDtfs, 987 SDslu, 4571 SDs, 0 SdLazy, 1145 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 704 GetRequests, 626 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2467occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 972 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4749 PreInvPairs, 4843 NumberOfFragments, 3337 HoareAnnotationTreeSize, 4749 FomulaSimplifications, 6205 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 10497 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1403 NumberOfCodeBlocks, 1403 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1687 ConstructedInterpolants, 0 QuantifiedInterpolants, 314105 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 323/339 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...