/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:00:41,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:00:41,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:00:41,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:00:41,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:00:41,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:00:41,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:00:41,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:00:41,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:00:41,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:00:41,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:00:41,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:00:41,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:00:41,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:00:41,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:00:41,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:00:41,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:00:41,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:00:41,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:00:41,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:00:41,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:00:41,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:00:41,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:00:41,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:00:41,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:00:41,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:00:41,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:00:41,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:00:41,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:00:41,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:00:41,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:00:41,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:00:41,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:00:41,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:00:41,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:00:41,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:00:41,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:00:41,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:00:41,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:00:41,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:00:41,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:00:41,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:00:41,761 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:00:41,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:00:41,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:00:41,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:00:41,766 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:00:41,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:00:41,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:00:41,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:00:41,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:00:41,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:00:41,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:00:41,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:00:41,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:00:41,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:00:41,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:00:41,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:00:41,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:41,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:00:41,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:00:41,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:00:41,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:00:41,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:00:41,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:00:41,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:00:42,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:00:42,110 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:00:42,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:00:42,115 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:00:42,115 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:00:42,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-11-07 01:00:42,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97425095a/1457808a65c44ffebe240c0b4603232e/FLAGc15f0923a [2019-11-07 01:00:42,720 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:00:42,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product46.cil.c [2019-11-07 01:00:42,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97425095a/1457808a65c44ffebe240c0b4603232e/FLAGc15f0923a [2019-11-07 01:00:43,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97425095a/1457808a65c44ffebe240c0b4603232e [2019-11-07 01:00:43,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:00:43,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:00:43,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:43,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:00:43,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:00:43,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6deafab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43, skipping insertion in model container [2019-11-07 01:00:43,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:00:43,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:00:43,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:43,541 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:00:43,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:43,720 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:00:43,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43 WrapperNode [2019-11-07 01:00:43,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:43,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:00:43,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:00:43,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:00:43,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... [2019-11-07 01:00:43,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:00:43,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:00:43,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:00:43,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:00:43,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:00:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:00:43,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:00:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:00:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:00:43,866 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:00:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:43,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:00:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:00:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:00:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:00:43,868 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:00:43,869 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:00:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:00:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:00:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:00:43,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:00:43,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:00:43,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:00:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:00:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:00:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:00:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:00:43,873 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:00:43,874 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:00:43,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:00:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:00:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:00:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:00:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:00:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:00:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:00:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:00:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:00:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:00:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:00:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:00:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:00:43,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:00:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:00:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:00:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:00:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:00:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:00:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:00:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:00:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:00:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:00:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:00:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:00:45,000 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:00:45,001 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:00:45,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:45 BoogieIcfgContainer [2019-11-07 01:00:45,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:00:45,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:00:45,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:00:45,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:00:45,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:43" (1/3) ... [2019-11-07 01:00:45,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9bf42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:45, skipping insertion in model container [2019-11-07 01:00:45,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:43" (2/3) ... [2019-11-07 01:00:45,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9bf42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:45, skipping insertion in model container [2019-11-07 01:00:45,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:45" (3/3) ... [2019-11-07 01:00:45,011 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2019-11-07 01:00:45,021 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:00:45,030 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:00:45,043 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:00:45,071 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:00:45,072 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:00:45,072 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:00:45,072 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:00:45,072 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:00:45,072 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:00:45,072 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:00:45,072 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:00:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-11-07 01:00:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:00:45,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,109 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1153584498, now seen corresponding path program 1 times [2019-11-07 01:00:45,125 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,125 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735950829] [2019-11-07 01:00:45,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:45,520 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735950829] [2019-11-07 01:00:45,521 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:45,522 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:00:45,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055924781] [2019-11-07 01:00:45,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:00:45,530 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:45,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:00:45,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:45,550 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-11-07 01:00:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:45,597 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2019-11-07 01:00:45,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:00:45,599 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 01:00:45,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:45,639 INFO L225 Difference]: With dead ends: 280 [2019-11-07 01:00:45,640 INFO L226 Difference]: Without dead ends: 140 [2019-11-07 01:00:45,644 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:45,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-07 01:00:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-07 01:00:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-07 01:00:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2019-11-07 01:00:45,702 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2019-11-07 01:00:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,703 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2019-11-07 01:00:45,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:00:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2019-11-07 01:00:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 01:00:45,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,710 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1299238668, now seen corresponding path program 1 times [2019-11-07 01:00:45,711 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,711 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507110762] [2019-11-07 01:00:45,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:45,888 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507110762] [2019-11-07 01:00:45,888 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:45,889 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:00:45,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087204055] [2019-11-07 01:00:45,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:00:45,893 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:45,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:00:45,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:45,898 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2019-11-07 01:00:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:45,929 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2019-11-07 01:00:45,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:00:45,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 01:00:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:45,932 INFO L225 Difference]: With dead ends: 225 [2019-11-07 01:00:45,933 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 01:00:45,934 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:45,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 01:00:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 01:00:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 01:00:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2019-11-07 01:00:45,949 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2019-11-07 01:00:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:45,949 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2019-11-07 01:00:45,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:00:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2019-11-07 01:00:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 01:00:45,952 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:45,952 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:45,952 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:45,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:45,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1314633419, now seen corresponding path program 1 times [2019-11-07 01:00:45,953 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:45,953 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899549000] [2019-11-07 01:00:45,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:46,128 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899549000] [2019-11-07 01:00:46,128 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:46,128 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:00:46,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805114610] [2019-11-07 01:00:46,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:00:46,130 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:46,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:00:46,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:00:46,130 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2019-11-07 01:00:46,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:46,497 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2019-11-07 01:00:46,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:00:46,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-07 01:00:46,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:46,500 INFO L225 Difference]: With dead ends: 238 [2019-11-07 01:00:46,501 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 01:00:46,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:46,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 01:00:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 01:00:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 01:00:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-11-07 01:00:46,517 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2019-11-07 01:00:46,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:46,517 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-11-07 01:00:46,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:00:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-11-07 01:00:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-07 01:00:46,520 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:46,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:46,521 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:46,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:46,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1259242830, now seen corresponding path program 1 times [2019-11-07 01:00:46,522 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:46,522 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170452141] [2019-11-07 01:00:46,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:46,688 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170452141] [2019-11-07 01:00:46,689 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:46,689 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:46,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270238751] [2019-11-07 01:00:46,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:46,690 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:46,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:46,691 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2019-11-07 01:00:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:47,265 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2019-11-07 01:00:47,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:00:47,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-11-07 01:00:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:47,269 INFO L225 Difference]: With dead ends: 356 [2019-11-07 01:00:47,269 INFO L226 Difference]: Without dead ends: 249 [2019-11-07 01:00:47,271 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:00:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-11-07 01:00:47,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2019-11-07 01:00:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-11-07 01:00:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2019-11-07 01:00:47,346 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2019-11-07 01:00:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:47,348 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2019-11-07 01:00:47,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2019-11-07 01:00:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-07 01:00:47,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:47,350 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:47,350 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:47,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2031890280, now seen corresponding path program 1 times [2019-11-07 01:00:47,351 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:47,351 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391666020] [2019-11-07 01:00:47,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:47,533 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391666020] [2019-11-07 01:00:47,534 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:47,534 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:47,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533062533] [2019-11-07 01:00:47,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:47,538 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:47,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:47,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:47,539 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2019-11-07 01:00:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:47,760 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2019-11-07 01:00:47,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:00:47,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-11-07 01:00:47,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:47,768 INFO L225 Difference]: With dead ends: 570 [2019-11-07 01:00:47,769 INFO L226 Difference]: Without dead ends: 364 [2019-11-07 01:00:47,771 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:47,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-07 01:00:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2019-11-07 01:00:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-11-07 01:00:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2019-11-07 01:00:47,831 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2019-11-07 01:00:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:47,832 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2019-11-07 01:00:47,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2019-11-07 01:00:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:47,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:47,836 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:47,836 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:47,837 INFO L82 PathProgramCache]: Analyzing trace with hash -797697522, now seen corresponding path program 1 times [2019-11-07 01:00:47,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:47,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677177862] [2019-11-07 01:00:47,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:47,992 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677177862] [2019-11-07 01:00:47,992 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:47,992 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:00:47,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068394217] [2019-11-07 01:00:47,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:00:47,993 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:47,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:00:47,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:00:47,994 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2019-11-07 01:00:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:48,271 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2019-11-07 01:00:48,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:00:48,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-11-07 01:00:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:48,279 INFO L225 Difference]: With dead ends: 767 [2019-11-07 01:00:48,279 INFO L226 Difference]: Without dead ends: 561 [2019-11-07 01:00:48,281 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-11-07 01:00:48,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2019-11-07 01:00:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2019-11-07 01:00:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2019-11-07 01:00:48,332 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2019-11-07 01:00:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:48,333 INFO L462 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2019-11-07 01:00:48,333 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:00:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2019-11-07 01:00:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:48,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:48,336 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:48,336 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:48,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:48,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1720381105, now seen corresponding path program 1 times [2019-11-07 01:00:48,337 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:48,337 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166040577] [2019-11-07 01:00:48,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:48,412 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166040577] [2019-11-07 01:00:48,413 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:48,413 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:00:48,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718358848] [2019-11-07 01:00:48,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:00:48,415 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:48,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:00:48,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:48,416 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2019-11-07 01:00:48,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:48,460 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2019-11-07 01:00:48,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:00:48,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-11-07 01:00:48,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:48,466 INFO L225 Difference]: With dead ends: 942 [2019-11-07 01:00:48,466 INFO L226 Difference]: Without dead ends: 553 [2019-11-07 01:00:48,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:00:48,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2019-11-07 01:00:48,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2019-11-07 01:00:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2019-11-07 01:00:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2019-11-07 01:00:48,506 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2019-11-07 01:00:48,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:48,507 INFO L462 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2019-11-07 01:00:48,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:00:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2019-11-07 01:00:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 01:00:48,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:48,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:48,511 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:48,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1730580689, now seen corresponding path program 1 times [2019-11-07 01:00:48,512 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:48,513 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627990739] [2019-11-07 01:00:48,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:48,630 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627990739] [2019-11-07 01:00:48,630 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:48,631 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:00:48,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454050096] [2019-11-07 01:00:48,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:48,632 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:48,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:48,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:48,633 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2019-11-07 01:00:48,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:48,724 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2019-11-07 01:00:48,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:48,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-11-07 01:00:48,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:48,737 INFO L225 Difference]: With dead ends: 1087 [2019-11-07 01:00:48,739 INFO L226 Difference]: Without dead ends: 564 [2019-11-07 01:00:48,741 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-11-07 01:00:48,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2019-11-07 01:00:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-11-07 01:00:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2019-11-07 01:00:48,804 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2019-11-07 01:00:48,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:48,805 INFO L462 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2019-11-07 01:00:48,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2019-11-07 01:00:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-07 01:00:48,808 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:48,808 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2019-11-07 01:00:48,808 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:48,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1929788468, now seen corresponding path program 1 times [2019-11-07 01:00:48,809 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:48,809 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655507648] [2019-11-07 01:00:48,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:48,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655507648] [2019-11-07 01:00:48,942 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002150996] [2019-11-07 01:00:48,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:49,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-07 01:00:49,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:49,277 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:49,780 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:49,780 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-11-07 01:00:49,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635572760] [2019-11-07 01:00:49,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:00:49,782 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:49,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:00:49,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:49,782 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 8 states. [2019-11-07 01:00:50,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:50,325 INFO L93 Difference]: Finished difference Result 1601 states and 1921 transitions. [2019-11-07 01:00:50,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:00:50,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2019-11-07 01:00:50,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:50,333 INFO L225 Difference]: With dead ends: 1601 [2019-11-07 01:00:50,333 INFO L226 Difference]: Without dead ends: 1071 [2019-11-07 01:00:50,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2019-11-07 01:00:50,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1068. [2019-11-07 01:00:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2019-11-07 01:00:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1258 transitions. [2019-11-07 01:00:50,449 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1258 transitions. Word has length 101 [2019-11-07 01:00:50,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:50,450 INFO L462 AbstractCegarLoop]: Abstraction has 1068 states and 1258 transitions. [2019-11-07 01:00:50,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:00:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1258 transitions. [2019-11-07 01:00:50,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-07 01:00:50,454 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:50,455 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:50,661 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:50,661 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:50,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2070358096, now seen corresponding path program 1 times [2019-11-07 01:00:50,662 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:50,662 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047554518] [2019-11-07 01:00:50,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:00:50,798 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047554518] [2019-11-07 01:00:50,798 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:50,798 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:00:50,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245159846] [2019-11-07 01:00:50,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:00:50,805 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:00:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:50,806 INFO L87 Difference]: Start difference. First operand 1068 states and 1258 transitions. Second operand 10 states. [2019-11-07 01:00:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:51,078 INFO L93 Difference]: Finished difference Result 2062 states and 2473 transitions. [2019-11-07 01:00:51,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:00:51,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-11-07 01:00:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:51,085 INFO L225 Difference]: With dead ends: 2062 [2019-11-07 01:00:51,086 INFO L226 Difference]: Without dead ends: 1018 [2019-11-07 01:00:51,089 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:00:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2019-11-07 01:00:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 1002. [2019-11-07 01:00:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1002 states. [2019-11-07 01:00:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1166 transitions. [2019-11-07 01:00:51,154 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1166 transitions. Word has length 105 [2019-11-07 01:00:51,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:51,155 INFO L462 AbstractCegarLoop]: Abstraction has 1002 states and 1166 transitions. [2019-11-07 01:00:51,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:00:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1166 transitions. [2019-11-07 01:00:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-07 01:00:51,160 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:51,160 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:51,160 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:51,161 INFO L82 PathProgramCache]: Analyzing trace with hash 767108718, now seen corresponding path program 1 times [2019-11-07 01:00:51,161 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:51,162 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599350617] [2019-11-07 01:00:51,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:00:51,335 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599350617] [2019-11-07 01:00:51,335 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:51,335 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:00:51,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019377777] [2019-11-07 01:00:51,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:00:51,336 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:00:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:51,337 INFO L87 Difference]: Start difference. First operand 1002 states and 1166 transitions. Second operand 10 states. [2019-11-07 01:00:51,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:51,695 INFO L93 Difference]: Finished difference Result 1986 states and 2314 transitions. [2019-11-07 01:00:51,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:00:51,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-11-07 01:00:51,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:51,702 INFO L225 Difference]: With dead ends: 1986 [2019-11-07 01:00:51,702 INFO L226 Difference]: Without dead ends: 1008 [2019-11-07 01:00:51,705 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:00:51,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-11-07 01:00:51,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 972. [2019-11-07 01:00:51,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 972 states. [2019-11-07 01:00:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1099 transitions. [2019-11-07 01:00:51,759 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1099 transitions. Word has length 105 [2019-11-07 01:00:51,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:51,759 INFO L462 AbstractCegarLoop]: Abstraction has 972 states and 1099 transitions. [2019-11-07 01:00:51,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:00:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1099 transitions. [2019-11-07 01:00:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 01:00:51,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:51,764 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1] [2019-11-07 01:00:51,765 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:51,765 INFO L82 PathProgramCache]: Analyzing trace with hash 425764218, now seen corresponding path program 1 times [2019-11-07 01:00:51,765 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:51,766 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608275682] [2019-11-07 01:00:51,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 01:00:51,865 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608275682] [2019-11-07 01:00:51,866 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40538596] [2019-11-07 01:00:51,866 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 [2019-11-07 01:00:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:52,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:00:52,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:00:52,343 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:52,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-07 01:00:52,815 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:52,816 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-11-07 01:00:52,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689106418] [2019-11-07 01:00:52,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:00:52,817 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:52,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:00:52,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-07 01:00:52,817 INFO L87 Difference]: Start difference. First operand 972 states and 1099 transitions. Second operand 8 states. [2019-11-07 01:00:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:54,124 INFO L93 Difference]: Finished difference Result 2579 states and 3144 transitions. [2019-11-07 01:00:54,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:00:54,125 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-11-07 01:00:54,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:54,137 INFO L225 Difference]: With dead ends: 2579 [2019-11-07 01:00:54,138 INFO L226 Difference]: Without dead ends: 1887 [2019-11-07 01:00:54,141 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-11-07 01:00:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2019-11-07 01:00:54,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1706. [2019-11-07 01:00:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2019-11-07 01:00:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1968 transitions. [2019-11-07 01:00:54,263 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1968 transitions. Word has length 153 [2019-11-07 01:00:54,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:54,263 INFO L462 AbstractCegarLoop]: Abstraction has 1706 states and 1968 transitions. [2019-11-07 01:00:54,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:00:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1968 transitions. [2019-11-07 01:00:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 01:00:54,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:54,268 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-11-07 01:00:54,473 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:54,474 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:54,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:54,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1942951212, now seen corresponding path program 1 times [2019-11-07 01:00:54,474 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:54,475 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866170876] [2019-11-07 01:00:54,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 01:00:54,552 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866170876] [2019-11-07 01:00:54,553 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892925541] [2019-11-07 01:00:54,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:54,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-07 01:00:54,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:00:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 01:00:54,954 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:00:55,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:55,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:00:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-07 01:00:55,266 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:00:55,266 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-11-07 01:00:55,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749261665] [2019-11-07 01:00:55,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:55,270 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:55,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:55,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:00:55,271 INFO L87 Difference]: Start difference. First operand 1706 states and 1968 transitions. Second operand 9 states. [2019-11-07 01:00:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:55,750 INFO L93 Difference]: Finished difference Result 3255 states and 3839 transitions. [2019-11-07 01:00:55,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:55,751 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2019-11-07 01:00:55,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:55,752 INFO L225 Difference]: With dead ends: 3255 [2019-11-07 01:00:55,753 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:00:55,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-11-07 01:00:55,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:00:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:00:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:00:55,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:00:55,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-11-07 01:00:55,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:55,762 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:00:55,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:00:55,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:00:55,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:55,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:00:57,426 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-07 01:00:58,314 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 51 [2019-11-07 01:00:58,469 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-11-07 01:00:58,668 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-11-07 01:00:58,872 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2019-11-07 01:00:59,323 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2019-11-07 01:01:00,142 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 46 [2019-11-07 01:01:00,249 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-11-07 01:01:00,630 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-11-07 01:01:00,842 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-11-07 01:01:01,181 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-11-07 01:01:01,430 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-07 01:01:01,988 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2019-11-07 01:01:02,161 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-07 01:01:02,648 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2019-11-07 01:01:02,993 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-11-07 01:01:03,165 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-07 01:01:03,702 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2019-11-07 01:01:03,964 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-07 01:01:04,168 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-11-07 01:01:04,533 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:04,972 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-11-07 01:01:05,162 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-11-07 01:01:05,331 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-11-07 01:01:05,463 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-11-07 01:01:05,664 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:05,926 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:06,088 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:06,091 INFO L443 ceAbstractionStarter]: For program point L193-2(lines 193 214) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L215(lines 192 216) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 168 223) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 203) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 168 223) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 168 223) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 260) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L256-1(lines 256 260) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L250-2(lines 250 275) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 224 283) no Hoare annotation was computed. [2019-11-07 01:01:06,092 INFO L443 ceAbstractionStarter]: For program point L276(lines 249 277) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 224 283) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point L269-1(line 269) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 224 283) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2019-11-07 01:01:06,093 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2019-11-07 01:01:06,093 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2019-11-07 01:01:06,094 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,094 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:01:06,094 INFO L439 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:01:06,094 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-11-07 01:01:06,094 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2019-11-07 01:01:06,094 INFO L443 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2019-11-07 01:01:06,094 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-11-07 01:01:06,094 INFO L439 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,095 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,095 INFO L439 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 517 540) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 517 540) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 517 540) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-11-07 01:01:06,095 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L439 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:06,096 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2019-11-07 01:01:06,096 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (.cse2 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4))) [2019-11-07 01:01:06,097 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (and (= processEnvironment__wrappee__methaneQuery_~tmp~5 1) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 (< ~waterLevel~0 2))) (.cse3 (not (< ~waterLevel~0 3))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse3 .cse5 .cse6) (or .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse7 .cse8 .cse5)))) [2019-11-07 01:01:06,097 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2019-11-07 01:01:06,097 INFO L439 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-11-07 01:01:06,097 INFO L443 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2019-11-07 01:01:06,097 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-11-07 01:01:06,097 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-11-07 01:01:06,097 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2019-11-07 01:01:06,097 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 837) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L829-2(lines 829 837) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 822 857) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-11-07 01:01:06,098 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 122 167) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 122 167) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 122 167) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 469) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point L449-1(lines 449 469) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 435 480) no Hoare annotation was computed. [2019-11-07 01:01:06,099 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 435 480) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 462) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 435 480) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2019-11-07 01:01:06,100 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-11-07 01:01:06,100 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2019-11-07 01:01:06,101 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2019-11-07 01:01:06,101 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2019-11-07 01:01:06,102 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-11-07 01:01:06,102 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2019-11-07 01:01:06,102 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2019-11-07 01:01:06,102 INFO L439 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:06,102 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-11-07 01:01:06,102 INFO L439 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:06,103 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2019-11-07 01:01:06,103 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:06,103 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-11-07 01:01:06,103 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2019-11-07 01:01:06,103 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2019-11-07 01:01:06,103 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2019-11-07 01:01:06,103 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,104 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2019-11-07 01:01:06,104 INFO L439 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:06,104 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2019-11-07 01:01:06,104 INFO L439 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:06,104 INFO L443 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2019-11-07 01:01:06,104 INFO L439 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:06,104 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-11-07 01:01:06,104 INFO L439 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L439 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse5) (and .cse0 .cse6 .cse1 (<= ~waterLevel~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:06,105 INFO L439 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse5) (and .cse0 .cse6 .cse1 (<= ~waterLevel~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 389 434) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-11-07 01:01:06,105 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 389 434) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 423) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 423) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 389 434) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 649) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point L641-2(lines 641 649) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 633 655) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 633 655) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 633 655) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2019-11-07 01:01:06,106 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 286 388) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 385) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point L335-2(lines 335 355) no Hoare annotation was computed. [2019-11-07 01:01:06,107 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 286 388) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L356(lines 334 357) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 331) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 382) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 286 388) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 355) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 373) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,108 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:01:06,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,109 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2019-11-07 01:01:06,109 INFO L439 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:06,109 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-11-07 01:01:06,109 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2019-11-07 01:01:06,109 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:06,109 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse0) .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-11-07 01:01:06,109 INFO L443 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L446 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-11-07 01:01:06,110 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2019-11-07 01:01:06,110 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= 1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (or .cse6 .cse4 .cse7)) (or .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse3 (or .cse0 .cse6 .cse4) .cse2))) [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2019-11-07 01:01:06,111 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2019-11-07 01:01:06,112 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:01:06,112 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:01:06,112 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse6 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse14 .cse7 .cse8)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse12 .cse13)) (.cse3 (or .cse4 .cse14 .cse7)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or (< ~waterLevel~0 2) (or (not (< |old(~waterLevel~0)| 2)) .cse5 .cse7 .cse8)) (or .cse5 .cse1 .cse7 .cse8 .cse6) (or .cse9 .cse10 .cse11) (or .cse1 (and .cse12 .cse13 .cse0) .cse2 .cse11) (or .cse1 .cse10 .cse3) (or .cse4 .cse9 .cse5 .cse12 .cse7)))) [2019-11-07 01:01:06,112 INFO L439 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse18 (< ~waterLevel~0 2)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse22 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 3)) (.cse20 (= ~pumpRunning~0 1)) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse13 (not (= ~systemActive~0 1))) (.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (or .cse21 .cse13 .cse17)) (.cse0 (<= 1 ~waterLevel~0)) (.cse12 (and .cse9 .cse10 .cse20)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (and .cse22 .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and .cse22 .cse20)) (.cse6 (or .cse7 .cse21 .cse13)) (.cse16 (and .cse20 .cse18 .cse19)) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse15 (and .cse11 .cse18 .cse19))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11) .cse12 .cse1 .cse2 .cse13) (or .cse14 .cse8 .cse15 .cse16 .cse13 .cse17) (or .cse12 .cse8 .cse1 .cse2 .cse13 .cse17) (or .cse5 .cse1 .cse4 .cse6) (or .cse16 .cse7 .cse14 .cse8 .cse15 .cse13)))) [2019-11-07 01:01:06,112 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (or .cse10 .cse5 .cse6)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (or .cse3 .cse10 .cse5)) (.cse9 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse7 .cse2) (or .cse8 .cse1 .cse9) (or .cse8 .cse7 .cse9)))) [2019-11-07 01:01:06,113 INFO L443 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2019-11-07 01:01:06,113 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse13 (< ~waterLevel~0 3)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< ~waterLevel~0 2)) (.cse8 (and .cse13 (= ~pumpRunning~0 0) .cse14)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse5 (or .cse6 .cse12 .cse9)) (.cse0 (and .cse13 (= ~pumpRunning~0 1) .cse14)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (<= ~waterLevel~0 1)) (.cse2 (or .cse12 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse9) (or .cse4 (or (not (< |old(~waterLevel~0)| 2)) .cse7 .cse9 .cse10)) (or .cse7 .cse1 .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse0) (or .cse6 .cse3 .cse7 .cse11 .cse9) (or .cse3 .cse11 .cse2)))) [2019-11-07 01:01:06,113 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2019-11-07 01:01:06,113 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2019-11-07 01:01:06,113 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2019-11-07 01:01:06,113 INFO L446 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2019-11-07 01:01:06,113 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2019-11-07 01:01:06,114 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-07 01:01:06,114 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2019-11-07 01:01:06,114 INFO L446 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2019-11-07 01:01:06,114 INFO L443 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2019-11-07 01:01:06,114 INFO L446 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2019-11-07 01:01:06,114 INFO L446 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2019-11-07 01:01:06,114 INFO L443 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2019-11-07 01:01:06,114 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-11-07 01:01:06,114 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2019-11-07 01:01:06,115 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2019-11-07 01:01:06,115 INFO L446 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2019-11-07 01:01:06,116 INFO L443 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2019-11-07 01:01:06,116 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-11-07 01:01:06,116 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2019-11-07 01:01:06,116 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse4 .cse2))) [2019-11-07 01:01:06,116 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2019-11-07 01:01:06,116 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2019-11-07 01:01:06,116 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2019-11-07 01:01:06,117 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,117 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) (< ~waterLevel~0 2)) [2019-11-07 01:01:06,117 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:06,117 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:06,117 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2019-11-07 01:01:06,117 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ~systemActive~0)) (.cse0 (not (< ~waterLevel~0 3))) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse4 .cse0 (or .cse2 .cse3 .cse5)) (or .cse6 .cse0 .cse3 .cse5 .cse4) (or .cse1 .cse6 .cse4 .cse0 .cse3))) [2019-11-07 01:01:06,117 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2019-11-07 01:01:06,117 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2019-11-07 01:01:06,118 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2019-11-07 01:01:06,118 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (< ~waterLevel~0 3) .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse9 (< ~waterLevel~0 2)) (.cse10 (not (< |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse9 (or .cse10 .cse2 .cse3 .cse4)) (or .cse5 .cse1 .cse2 .cse3 .cse0) (or .cse5 .cse7 .cse0 .cse1 .cse3) (or (and .cse9 .cse11) (or .cse10 .cse7 .cse3 .cse4)) (or .cse5 .cse6 .cse2 .cse3 .cse8)))) [2019-11-07 01:01:06,118 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2019-11-07 01:01:06,118 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2019-11-07 01:01:06,118 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2019-11-07 01:01:06,118 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2019-11-07 01:01:06,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:06 BoogieIcfgContainer [2019-11-07 01:01:06,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:06,136 INFO L168 Benchmark]: Toolchain (without parser) took 23106.73 ms. Allocated memory was 113.8 MB in the beginning and 531.6 MB in the end (delta: 417.9 MB). Free memory was 72.9 MB in the beginning and 121.3 MB in the end (delta: -48.4 MB). Peak memory consumption was 374.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,137 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 113.8 MB. Free memory was 91.5 MB in the beginning and 91.4 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.38 ms. Allocated memory was 113.8 MB in the beginning and 165.2 MB in the end (delta: 51.4 MB). Free memory was 72.6 MB in the beginning and 138.1 MB in the end (delta: -65.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,138 INFO L168 Benchmark]: Boogie Preprocessor took 87.82 ms. Allocated memory is still 165.2 MB. Free memory was 138.1 MB in the beginning and 133.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,139 INFO L168 Benchmark]: RCFGBuilder took 1192.64 ms. Allocated memory was 165.2 MB in the beginning and 186.6 MB in the end (delta: 21.5 MB). Free memory was 133.9 MB in the beginning and 122.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,139 INFO L168 Benchmark]: TraceAbstraction took 21130.66 ms. Allocated memory was 186.6 MB in the beginning and 531.6 MB in the end (delta: 345.0 MB). Free memory was 122.9 MB in the beginning and 121.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 351.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:06,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 113.8 MB. Free memory was 91.5 MB in the beginning and 91.4 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.38 ms. Allocated memory was 113.8 MB in the beginning and 165.2 MB in the end (delta: 51.4 MB). Free memory was 72.6 MB in the beginning and 138.1 MB in the end (delta: -65.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.82 ms. Allocated memory is still 165.2 MB. Free memory was 138.1 MB in the beginning and 133.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.64 ms. Allocated memory was 165.2 MB in the beginning and 186.6 MB in the end (delta: 21.5 MB). Free memory was 133.9 MB in the beginning and 122.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21130.66 ms. Allocated memory was 186.6 MB in the beginning and 531.6 MB in the end (delta: 345.0 MB). Free memory was 122.9 MB in the beginning and 121.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 351.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(\old(systemActive) == 1)) || ((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 239 locations, 1 error locations. Result: SAFE, OverallTime: 21.0s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, HoareTripleCheckerStatistics: 2338 SDtfs, 2095 SDslu, 7426 SDs, 0 SdLazy, 2220 SolverSat, 824 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 816 SyntacticMatches, 8 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1706occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 293 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3421 PreInvPairs, 3666 NumberOfFragments, 3129 HoareAnnotationTreeSize, 3421 FomulaSimplifications, 7425 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 64 FomulaSimplificationsInter, 32908 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1602 NumberOfCodeBlocks, 1602 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1986 ConstructedInterpolants, 0 QuantifiedInterpolants, 404150 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2576 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 271/285 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...