/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:23:34,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:23:34,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:23:34,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:23:34,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:23:34,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:23:34,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:23:34,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:23:34,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:23:34,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:23:34,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:23:34,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:23:34,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:23:34,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:23:34,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:23:34,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:23:34,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:23:34,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:23:34,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:23:34,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:23:34,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:23:34,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:23:34,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:23:34,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:23:34,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 23:23:34,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 23:23:34,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 23:23:34,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 23:23:34,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 23:23:34,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 23:23:34,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 23:23:34,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 23:23:34,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 23:23:34,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 23:23:34,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 23:23:34,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 23:23:34,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 23:23:34,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 23:23:34,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:23:34,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:23:34,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:23:34,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 23:23:34,880 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:23:34,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:23:34,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:23:34,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:23:34,884 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:23:34,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:23:34,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:23:34,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:23:34,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:23:34,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:23:34,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:23:34,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:23:34,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:23:34,886 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:23:34,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:23:34,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:23:34,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:23:34,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:23:34,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:23:34,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:23:34,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:23:34,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:23:34,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:23:34,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:23:34,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:23:35,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:23:35,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:23:35,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:23:35,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:23:35,226 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:23:35,226 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-08-18 23:23:35,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba49d4fa1/80de61cf8656426fac8fc93e321ec318/FLAGf2943daa3 [2020-08-18 23:23:35,835 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:23:35,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-08-18 23:23:35,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba49d4fa1/80de61cf8656426fac8fc93e321ec318/FLAGf2943daa3 [2020-08-18 23:23:36,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba49d4fa1/80de61cf8656426fac8fc93e321ec318 [2020-08-18 23:23:36,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:23:36,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:23:36,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:23:36,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:23:36,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:23:36,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53926226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36, skipping insertion in model container [2020-08-18 23:23:36,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:23:36,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:23:36,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:23:36,593 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:23:36,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:23:36,768 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:23:36,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36 WrapperNode [2020-08-18 23:23:36,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:23:36,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:23:36,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:23:36,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:23:36,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... [2020-08-18 23:23:36,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:23:36,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:23:36,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:23:36,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:23:36,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 23:23:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:23:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:23:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 23:23:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 23:23:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 23:23:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 23:23:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 23:23:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 23:23:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 23:23:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 23:23:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 23:23:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 23:23:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 23:23:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 23:23:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 23:23:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 23:23:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 23:23:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 23:23:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 23:23:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 23:23:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 23:23:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 23:23:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 23:23:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 23:23:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 23:23:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 23:23:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 23:23:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 23:23:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 23:23:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:23:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 23:23:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 23:23:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 23:23:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 23:23:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 23:23:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:23:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 23:23:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 23:23:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 23:23:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 23:23:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 23:23:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 23:23:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 23:23:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 23:23:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 23:23:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 23:23:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 23:23:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 23:23:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 23:23:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 23:23:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 23:23:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 23:23:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 23:23:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 23:23:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 23:23:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 23:23:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 23:23:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 23:23:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 23:23:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 23:23:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 23:23:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 23:23:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 23:23:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 23:23:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 23:23:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 23:23:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:23:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 23:23:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:23:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 23:23:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:23:38,037 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:23:38,038 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 23:23:38,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:23:38 BoogieIcfgContainer [2020-08-18 23:23:38,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:23:38,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:23:38,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:23:38,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:23:38,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:23:36" (1/3) ... [2020-08-18 23:23:38,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3e6014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:23:38, skipping insertion in model container [2020-08-18 23:23:38,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:23:36" (2/3) ... [2020-08-18 23:23:38,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3e6014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:23:38, skipping insertion in model container [2020-08-18 23:23:38,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:23:38" (3/3) ... [2020-08-18 23:23:38,051 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-08-18 23:23:38,062 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:23:38,070 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:23:38,084 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:23:38,107 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:23:38,108 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:23:38,108 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:23:38,108 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:23:38,108 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:23:38,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:23:38,109 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:23:38,109 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:23:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-18 23:23:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 23:23:38,141 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:38,142 INFO L422 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] [2020-08-18 23:23:38,142 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2020-08-18 23:23:38,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:38,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091016255] [2020-08-18 23:23:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,873 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:23:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:23:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:23:38,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091016255] [2020-08-18 23:23:38,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:23:38,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 23:23:38,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352793672] [2020-08-18 23:23:38,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 23:23:38,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:38,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 23:23:38,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 23:23:38,979 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-08-18 23:23:40,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:40,077 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-18 23:23:40,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 23:23:40,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 23:23:40,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:40,093 INFO L225 Difference]: With dead ends: 294 [2020-08-18 23:23:40,094 INFO L226 Difference]: Without dead ends: 159 [2020-08-18 23:23:40,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 23:23:40,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-18 23:23:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-08-18 23:23:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-08-18 23:23:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-08-18 23:23:40,224 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-08-18 23:23:40,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:40,225 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-08-18 23:23:40,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 23:23:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-08-18 23:23:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 23:23:40,234 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:40,235 INFO L422 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] [2020-08-18 23:23:40,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:23:40,236 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:40,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:40,236 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2020-08-18 23:23:40,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:40,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250038637] [2020-08-18 23:23:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,547 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 23:23:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:23:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:23:40,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250038637] [2020-08-18 23:23:40,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:23:40,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 23:23:40,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291673492] [2020-08-18 23:23:40,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:23:40,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:40,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:23:40,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:23:40,591 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-08-18 23:23:41,012 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:23:41,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:41,761 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-08-18 23:23:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:23:41,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 23:23:41,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:41,764 INFO L225 Difference]: With dead ends: 223 [2020-08-18 23:23:41,764 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 23:23:41,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:23:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 23:23:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-18 23:23:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-18 23:23:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-08-18 23:23:41,806 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-08-18 23:23:41,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:41,807 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-08-18 23:23:41,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:23:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-08-18 23:23:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 23:23:41,809 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:41,809 INFO L422 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] [2020-08-18 23:23:41,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:23:41,809 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:41,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:41,810 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2020-08-18 23:23:41,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:41,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349575749] [2020-08-18 23:23:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,130 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 23:23:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 23:23:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:23:42,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349575749] [2020-08-18 23:23:42,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:23:42,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 23:23:42,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514336907] [2020-08-18 23:23:42,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:23:42,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:42,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:23:42,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:23:42,207 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2020-08-18 23:23:42,641 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:23:42,962 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:43,225 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:43,478 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:44,658 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-08-18 23:23:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 23:23:44,659 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 23:23:44,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:44,662 INFO L225 Difference]: With dead ends: 236 [2020-08-18 23:23:44,662 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 23:23:44,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:23:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 23:23:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-18 23:23:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-18 23:23:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-08-18 23:23:44,695 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-08-18 23:23:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:44,696 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-08-18 23:23:44,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:23:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-08-18 23:23:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-18 23:23:44,697 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:44,698 INFO L422 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] [2020-08-18 23:23:44,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:23:44,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:44,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2020-08-18 23:23:44,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:44,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909479652] [2020-08-18 23:23:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,045 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:45,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:23:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 23:23:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 23:23:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:23:45,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909479652] [2020-08-18 23:23:45,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:23:45,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 23:23:45,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895258958] [2020-08-18 23:23:45,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:23:45,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:45,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:23:45,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:23:45,172 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2020-08-18 23:23:45,612 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:23:45,939 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:46,199 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:46,448 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:47,020 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 23:23:48,314 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:48,703 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:23:48,995 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:23:49,295 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 23:23:49,546 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:23:49,880 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:23:50,174 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 23:23:50,487 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 23:23:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:51,599 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2020-08-18 23:23:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 23:23:51,600 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-08-18 23:23:51,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:51,604 INFO L225 Difference]: With dead ends: 458 [2020-08-18 23:23:51,604 INFO L226 Difference]: Without dead ends: 365 [2020-08-18 23:23:51,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 23:23:51,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-08-18 23:23:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2020-08-18 23:23:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-08-18 23:23:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2020-08-18 23:23:51,682 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2020-08-18 23:23:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:51,683 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2020-08-18 23:23:51,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:23:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2020-08-18 23:23:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-18 23:23:51,686 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:51,686 INFO L422 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] [2020-08-18 23:23:51,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:23:51,686 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:51,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:51,687 INFO L82 PathProgramCache]: Analyzing trace with hash 425688904, now seen corresponding path program 1 times [2020-08-18 23:23:51,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:51,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693804374] [2020-08-18 23:23:51,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:51,954 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:51,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:51,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 23:23:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 23:23:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 23:23:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 23:23:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 23:23:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:23:52,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693804374] [2020-08-18 23:23:52,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:23:52,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 23:23:52,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235672040] [2020-08-18 23:23:52,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:23:52,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:52,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:23:52,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:23:52,034 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2020-08-18 23:23:52,365 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:23:52,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:52,938 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2020-08-18 23:23:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:23:52,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-08-18 23:23:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:52,941 INFO L225 Difference]: With dead ends: 459 [2020-08-18 23:23:52,941 INFO L226 Difference]: Without dead ends: 191 [2020-08-18 23:23:52,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:23:52,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-08-18 23:23:52,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2020-08-18 23:23:52,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-08-18 23:23:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2020-08-18 23:23:52,983 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 73 [2020-08-18 23:23:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:52,984 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2020-08-18 23:23:52,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:23:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2020-08-18 23:23:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 23:23:52,986 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:23:52,986 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:23:52,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:23:52,987 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:23:52,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:23:52,987 INFO L82 PathProgramCache]: Analyzing trace with hash 490046148, now seen corresponding path program 1 times [2020-08-18 23:23:52,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:23:52,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618984660] [2020-08-18 23:23:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:23:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,299 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:23:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:23:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 23:23:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:23:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:23:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 23:23:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 23:23:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:23:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-18 23:23:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 23:23:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-18 23:23:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:23:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:23:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-18 23:23:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:23:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:23:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 23:23:53,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618984660] [2020-08-18 23:23:53,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:23:53,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:23:53,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421045653] [2020-08-18 23:23:53,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:23:53,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:23:53,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:23:53,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:23:53,499 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 10 states. [2020-08-18 23:23:54,080 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 23:23:54,615 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 23:23:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:23:55,286 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2020-08-18 23:23:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:23:55,287 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-18 23:23:55,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:23:55,288 INFO L225 Difference]: With dead ends: 240 [2020-08-18 23:23:55,288 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 23:23:55,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 23:23:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 23:23:55,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 23:23:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 23:23:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 23:23:55,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2020-08-18 23:23:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:23:55,291 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 23:23:55,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:23:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 23:23:55,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 23:23:55,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 23:23:55,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 23:23:55,961 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-08-18 23:23:56,092 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-08-18 23:23:56,254 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-08-18 23:23:58,073 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 23:23:58,382 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:58,838 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 23:23:59,071 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:23:59,265 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-18 23:23:59,385 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-18 23:23:59,722 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:23:59,837 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-18 23:24:00,144 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:24:00,710 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-18 23:24:00,906 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 23:24:01,505 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-18 23:24:01,689 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:24:02,370 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 23:24:02,579 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-18 23:24:03,147 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 23:24:03,736 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-18 23:24:03,909 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:24:04,513 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 23:24:04,979 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 23:24:05,317 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 23:24:05,656 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 23:24:05,957 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:24:06,136 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 23:24:06,442 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:24:06,645 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-18 23:24:07,195 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 23:24:07,589 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 23:24:07,625 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-08-18 23:24:07,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-08-18 23:24:07,625 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 23:24:07,626 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-08-18 23:24:07,627 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2020-08-18 23:24:07,627 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2020-08-18 23:24:07,628 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2020-08-18 23:24:07,628 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2020-08-18 23:24:07,628 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2020-08-18 23:24:07,628 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2020-08-18 23:24:07,628 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,628 INFO L268 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2020-08-18 23:24:07,628 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,629 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-08-18 23:24:07,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2020-08-18 23:24:07,629 INFO L268 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2020-08-18 23:24:07,629 INFO L268 CegarLoopResult]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2020-08-18 23:24:07,629 INFO L271 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: true [2020-08-18 23:24:07,629 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-08-18 23:24:07,629 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,630 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 23:24:07,630 INFO L264 CegarLoopResult]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 23:24:07,630 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-08-18 23:24:07,630 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2020-08-18 23:24:07,630 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-18 23:24:07,630 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2020-08-18 23:24:07,631 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,631 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,631 INFO L264 CegarLoopResult]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,631 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2020-08-18 23:24:07,631 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-08-18 23:24:07,631 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-08-18 23:24:07,631 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-08-18 23:24:07,631 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-08-18 23:24:07,632 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-18 23:24:07,633 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 23:24:07,633 INFO L268 CegarLoopResult]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2020-08-18 23:24:07,634 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,634 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,634 INFO L268 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-08-18 23:24:07,634 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,634 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-08-18 23:24:07,634 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2020-08-18 23:24:07,635 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-08-18 23:24:07,635 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-08-18 23:24:07,635 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-08-18 23:24:07,636 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2020-08-18 23:24:07,637 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2020-08-18 23:24:07,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-08-18 23:24:07,638 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,639 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2020-08-18 23:24:07,639 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L271 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: true [2020-08-18 23:24:07,639 INFO L268 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-08-18 23:24:07,639 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2020-08-18 23:24:07,640 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-18 23:24:07,640 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-18 23:24:07,640 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 23:24:07,640 INFO L268 CegarLoopResult]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2020-08-18 23:24:07,640 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2020-08-18 23:24:07,640 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,641 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 23:24:07,641 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,641 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-18 23:24:07,641 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 23:24:07,641 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-08-18 23:24:07,641 INFO L268 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2020-08-18 23:24:07,641 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2020-08-18 23:24:07,642 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2020-08-18 23:24:07,642 INFO L268 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2020-08-18 23:24:07,642 INFO L264 CegarLoopResult]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,642 INFO L264 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 23:24:07,642 INFO L268 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2020-08-18 23:24:07,642 INFO L268 CegarLoopResult]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2020-08-18 23:24:07,642 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 23:24:07,643 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-08-18 23:24:07,643 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2020-08-18 23:24:07,643 INFO L264 CegarLoopResult]: At program point L428(lines 383 430) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 23:24:07,643 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 23:24:07,643 INFO L268 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2020-08-18 23:24:07,643 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2020-08-18 23:24:07,644 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-18 23:24:07,644 INFO L264 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 23:24:07,644 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-08-18 23:24:07,644 INFO L264 CegarLoopResult]: At program point L421-2(lines 413 426) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 23:24:07,644 INFO L268 CegarLoopResult]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2020-08-18 23:24:07,644 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2020-08-18 23:24:07,645 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-18 23:24:07,646 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-08-18 23:24:07,647 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-08-18 23:24:07,648 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-08-18 23:24:07,649 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2020-08-18 23:24:07,649 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2020-08-18 23:24:07,649 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2020-08-18 23:24:07,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,649 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-08-18 23:24:07,650 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-18 23:24:07,651 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,652 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,652 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-18 23:24:07,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-18 23:24:07,652 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-18 23:24:07,652 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 23:24:07,652 INFO L264 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 23:24:07,653 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 23:24:07,653 INFO L268 CegarLoopResult]: For program point L176(lines 175 194) no Hoare annotation was computed. [2020-08-18 23:24:07,653 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 23:24:07,653 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2020-08-18 23:24:07,653 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2020-08-18 23:24:07,653 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-08-18 23:24:07,653 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-08-18 23:24:07,654 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-08-18 23:24:07,654 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-18 23:24:07,654 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-08-18 23:24:07,654 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-08-18 23:24:07,654 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-18 23:24:07,654 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-08-18 23:24:07,654 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-08-18 23:24:07,654 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-18 23:24:07,655 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-18 23:24:07,655 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-18 23:24:07,655 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-18 23:24:07,655 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-08-18 23:24:07,655 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-08-18 23:24:07,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,655 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 23:24:07,655 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2020-08-18 23:24:07,656 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-18 23:24:07,656 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 23:24:07,656 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2020-08-18 23:24:07,657 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2020-08-18 23:24:07,657 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2020-08-18 23:24:07,657 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2020-08-18 23:24:07,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:24:07 BoogieIcfgContainer [2020-08-18 23:24:07,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 23:24:07,676 INFO L168 Benchmark]: Toolchain (without parser) took 31548.88 ms. Allocated memory was 144.2 MB in the beginning and 585.6 MB in the end (delta: 441.5 MB). Free memory was 106.8 MB in the beginning and 473.9 MB in the end (delta: -367.1 MB). Peak memory consumption was 450.1 MB. Max. memory is 7.1 GB. [2020-08-18 23:24:07,677 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 23:24:07,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.55 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 106.6 MB in the beginning and 176.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:24:07,679 INFO L168 Benchmark]: Boogie Preprocessor took 124.44 ms. Allocated memory is still 206.6 MB. Free memory was 176.7 MB in the beginning and 172.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-18 23:24:07,680 INFO L168 Benchmark]: RCFGBuilder took 1148.80 ms. Allocated memory was 206.6 MB in the beginning and 232.3 MB in the end (delta: 25.7 MB). Free memory was 172.3 MB in the beginning and 187.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2020-08-18 23:24:07,680 INFO L168 Benchmark]: TraceAbstraction took 29630.48 ms. Allocated memory was 232.3 MB in the beginning and 585.6 MB in the end (delta: 353.4 MB). Free memory was 187.9 MB in the beginning and 473.9 MB in the end (delta: -286.0 MB). Peak memory consumption was 443.1 MB. Max. memory is 7.1 GB. [2020-08-18 23:24:07,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 125.7 MB in the beginning and 125.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.55 ms. Allocated memory was 144.2 MB in the beginning and 206.6 MB in the end (delta: 62.4 MB). Free memory was 106.6 MB in the beginning and 176.7 MB in the end (delta: -70.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.44 ms. Allocated memory is still 206.6 MB. Free memory was 176.7 MB in the beginning and 172.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1148.80 ms. Allocated memory was 206.6 MB in the beginning and 232.3 MB in the end (delta: 25.7 MB). Free memory was 172.3 MB in the beginning and 187.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29630.48 ms. Allocated memory was 232.3 MB in the beginning and 585.6 MB in the end (delta: 353.4 MB). Free memory was 187.9 MB in the beginning and 473.9 MB in the end (delta: -286.0 MB). Peak memory consumption was 443.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && splverifierCounter == 0)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 601 SDtfs, 1229 SDslu, 422 SDs, 0 SdLazy, 2687 SolverSat, 836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1237 HoareAnnotationTreeSize, 424 FomulaSimplifications, 48678 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 12171 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 123480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 30/37 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...