/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 04:24:48,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 04:24:48,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 04:24:48,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 04:24:48,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 04:24:48,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 04:24:48,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 04:24:48,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 04:24:48,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 04:24:48,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 04:24:48,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 04:24:48,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 04:24:48,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 04:24:48,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 04:24:48,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 04:24:48,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 04:24:48,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 04:24:48,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 04:24:48,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 04:24:48,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 04:24:48,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 04:24:48,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 04:24:48,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 04:24:48,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 04:24:48,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 04:24:48,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 04:24:48,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 04:24:48,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 04:24:48,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 04:24:48,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 04:24:48,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 04:24:48,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 04:24:48,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 04:24:48,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 04:24:48,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 04:24:48,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 04:24:48,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 04:24:48,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 04:24:48,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 04:24:48,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 04:24:48,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 04:24:48,890 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 [2020-08-22 04:24:48,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 04:24:48,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 04:24:48,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 04:24:48,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 04:24:48,914 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 04:24:48,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 04:24:48,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 04:24:48,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 04:24:48,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 04:24:48,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 04:24:48,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 04:24:48,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 04:24:48,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 04:24:48,916 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 04:24:48,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 04:24:48,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 04:24:48,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 04:24:48,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 04:24:48,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 04:24:48,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 04:24:48,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 04:24:48,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 04:24:48,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 04:24:48,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 04:24:48,919 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-08-22 04:24:49,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 04:24:49,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 04:24:49,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 04:24:49,244 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 04:24:49,245 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 04:24:49,246 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-08-22 04:24:49,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dec31e3/371d982472774a408be359f6f6ecde87/FLAGbeb3f0cc7 [2020-08-22 04:24:49,838 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 04:24:49,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-08-22 04:24:49,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dec31e3/371d982472774a408be359f6f6ecde87/FLAGbeb3f0cc7 [2020-08-22 04:24:50,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dec31e3/371d982472774a408be359f6f6ecde87 [2020-08-22 04:24:50,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 04:24:50,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 04:24:50,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 04:24:50,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 04:24:50,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 04:24:50,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50, skipping insertion in model container [2020-08-22 04:24:50,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 04:24:50,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 04:24:50,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:24:50,608 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 04:24:50,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:24:50,752 INFO L208 MainTranslator]: Completed translation [2020-08-22 04:24:50,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50 WrapperNode [2020-08-22 04:24:50,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 04:24:50,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 04:24:50,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 04:24:50,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 04:24:50,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (1/1) ... [2020-08-22 04:24:50,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 04:24:50,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 04:24:50,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 04:24:50,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 04:24:50,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (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 [2020-08-22 04:24:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 04:24:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 04:24:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 04:24:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 04:24:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 04:24:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 04:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 04:24:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 04:24:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 04:24:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 04:24:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 04:24:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 04:24:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 04:24:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 04:24:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 04:24:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 04:24:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 04:24:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 04:24:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 04:24:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 04:24:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-22 04:24:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 04:24:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 04:24:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 04:24:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 04:24:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 04:24:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 04:24:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 04:24:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 04:24:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 04:24:52,144 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 04:24:52,146 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 04:24:52,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:24:52 BoogieIcfgContainer [2020-08-22 04:24:52,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 04:24:52,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 04:24:52,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 04:24:52,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 04:24:52,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:24:50" (1/3) ... [2020-08-22 04:24:52,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3e28a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:24:52, skipping insertion in model container [2020-08-22 04:24:52,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:50" (2/3) ... [2020-08-22 04:24:52,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3e28a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:24:52, skipping insertion in model container [2020-08-22 04:24:52,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:24:52" (3/3) ... [2020-08-22 04:24:52,163 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-08-22 04:24:52,173 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 04:24:52,183 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 04:24:52,197 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 04:24:52,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 04:24:52,224 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 04:24:52,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 04:24:52,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 04:24:52,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 04:24:52,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 04:24:52,224 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 04:24:52,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 04:24:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-08-22 04:24:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 04:24:52,255 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:52,256 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] [2020-08-22 04:24:52,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:52,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:52,262 INFO L82 PathProgramCache]: Analyzing trace with hash 235935867, now seen corresponding path program 1 times [2020-08-22 04:24:52,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:52,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [291666602] [2020-08-22 04:24:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,907 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 04:24:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 04:24:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:52,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [291666602] [2020-08-22 04:24:52,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:52,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 04:24:52,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874550829] [2020-08-22 04:24:52,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 04:24:52,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 04:24:53,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 04:24:53,013 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-08-22 04:24:54,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:54,174 INFO L93 Difference]: Finished difference Result 288 states and 380 transitions. [2020-08-22 04:24:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 04:24:54,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 04:24:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:54,192 INFO L225 Difference]: With dead ends: 288 [2020-08-22 04:24:54,193 INFO L226 Difference]: Without dead ends: 156 [2020-08-22 04:24:54,198 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 [2020-08-22 04:24:54,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-08-22 04:24:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2020-08-22 04:24:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-22 04:24:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2020-08-22 04:24:54,289 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2020-08-22 04:24:54,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:54,290 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2020-08-22 04:24:54,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 04:24:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-08-22 04:24:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 04:24:54,294 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:54,294 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] [2020-08-22 04:24:54,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 04:24:54,294 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:54,295 INFO L82 PathProgramCache]: Analyzing trace with hash 185530365, now seen corresponding path program 1 times [2020-08-22 04:24:54,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:54,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559200998] [2020-08-22 04:24:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,631 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 04:24:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 04:24:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:54,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559200998] [2020-08-22 04:24:54,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:54,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 04:24:54,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121454059] [2020-08-22 04:24:54,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 04:24:54,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:54,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 04:24:54,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 04:24:54,734 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 4 states. [2020-08-22 04:24:55,156 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 04:24:56,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:56,010 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2020-08-22 04:24:56,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 04:24:56,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 04:24:56,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:56,017 INFO L225 Difference]: With dead ends: 217 [2020-08-22 04:24:56,018 INFO L226 Difference]: Without dead ends: 140 [2020-08-22 04:24:56,019 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 [2020-08-22 04:24:56,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-22 04:24:56,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-08-22 04:24:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 04:24:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-22 04:24:56,057 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2020-08-22 04:24:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:56,057 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-22 04:24:56,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 04:24:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-22 04:24:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 04:24:56,060 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:56,060 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] [2020-08-22 04:24:56,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 04:24:56,060 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:56,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:56,061 INFO L82 PathProgramCache]: Analyzing trace with hash -175734546, now seen corresponding path program 1 times [2020-08-22 04:24:56,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:56,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733982516] [2020-08-22 04:24:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,404 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:56,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 04:24:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 04:24:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:56,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733982516] [2020-08-22 04:24:56,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:56,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 04:24:56,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078039337] [2020-08-22 04:24:56,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:24:56,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:56,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:24:56,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:24:56,501 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 8 states. [2020-08-22 04:24:56,920 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:24:57,208 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:57,464 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:57,726 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:58,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:58,838 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-08-22 04:24:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 04:24:58,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-22 04:24:58,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:58,843 INFO L225 Difference]: With dead ends: 230 [2020-08-22 04:24:58,843 INFO L226 Difference]: Without dead ends: 140 [2020-08-22 04:24:58,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 04:24:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-22 04:24:58,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-08-22 04:24:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 04:24:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-08-22 04:24:58,893 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-08-22 04:24:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:58,894 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-08-22 04:24:58,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:24:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-08-22 04:24:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-22 04:24:58,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:58,897 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] [2020-08-22 04:24:58,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 04:24:58,897 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:58,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:58,898 INFO L82 PathProgramCache]: Analyzing trace with hash -733588211, now seen corresponding path program 1 times [2020-08-22 04:24:58,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:58,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866818049] [2020-08-22 04:24:58,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,186 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 04:24:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:24:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:24:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 04:24:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 04:24:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:59,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866818049] [2020-08-22 04:24:59,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:59,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 04:24:59,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437940877] [2020-08-22 04:24:59,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:24:59,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:59,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:24:59,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:24:59,337 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-08-22 04:24:59,691 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:25:00,489 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:00,877 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:25:01,618 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:01,879 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:02,265 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 04:25:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:25:02,817 INFO L93 Difference]: Finished difference Result 358 states and 468 transitions. [2020-08-22 04:25:02,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 04:25:02,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-08-22 04:25:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:25:02,823 INFO L225 Difference]: With dead ends: 358 [2020-08-22 04:25:02,823 INFO L226 Difference]: Without dead ends: 268 [2020-08-22 04:25:02,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 04:25:02,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-08-22 04:25:02,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2020-08-22 04:25:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-08-22 04:25:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2020-08-22 04:25:02,878 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 65 [2020-08-22 04:25:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:25:02,879 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2020-08-22 04:25:02,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:25:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2020-08-22 04:25:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 04:25:02,882 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:25:02,882 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] [2020-08-22 04:25:02,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 04:25:02,882 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:25:02,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:25:02,883 INFO L82 PathProgramCache]: Analyzing trace with hash 828198353, now seen corresponding path program 1 times [2020-08-22 04:25:02,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:25:02,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678962269] [2020-08-22 04:25:02,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:25:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,170 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:25:03,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:25:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:25:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:25:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:25:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:25:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 04:25:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 04:25:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:25:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:25:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 04:25:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 04:25:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:25:03,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678962269] [2020-08-22 04:25:03,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:25:03,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 04:25:03,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892986673] [2020-08-22 04:25:03,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 04:25:03,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:25:03,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 04:25:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 04:25:03,257 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2020-08-22 04:25:03,603 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:25:04,497 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:04,743 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:04,993 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:05,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:25:05,159 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2020-08-22 04:25:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 04:25:05,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-22 04:25:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:25:05,161 INFO L225 Difference]: With dead ends: 331 [2020-08-22 04:25:05,161 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 04:25:05,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-22 04:25:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 04:25:05,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 04:25:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 04:25:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 04:25:05,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-22 04:25:05,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:25:05,165 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 04:25:05,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 04:25:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 04:25:05,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 04:25:05,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 04:25:05,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 04:25:05,782 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 18 [2020-08-22 04:25:07,221 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:07,383 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:07,680 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:07,989 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:08,153 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:08,468 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:08,672 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:08,829 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:08,994 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:09,326 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-22 04:25:09,553 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:25:09,867 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:10,219 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-22 04:25:10,526 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:10,842 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-22 04:25:11,043 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:11,413 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:11,663 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:11,826 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:11,985 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:12,148 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-22 04:25:12,361 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-22 04:25:12,567 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:12,591 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-08-22 04:25:12,591 INFO L268 CegarLoopResult]: For program point L285-2(lines 285 306) no Hoare annotation was computed. [2020-08-22 04:25:12,591 INFO L268 CegarLoopResult]: For program point L307(lines 284 308) no Hoare annotation was computed. [2020-08-22 04:25:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 260 315) no Hoare annotation was computed. [2020-08-22 04:25:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 260 315) no Hoare annotation was computed. [2020-08-22 04:25:12,592 INFO L268 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-08-22 04:25:12,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 260 315) no Hoare annotation was computed. [2020-08-22 04:25:12,592 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 295) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 316 375) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L342-2(lines 342 367) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L368(lines 341 369) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 316 375) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 316 375) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-22 04:25:12,593 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-22 04:25:12,594 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-22 04:25:12,594 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-22 04:25:12,594 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,595 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,595 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,595 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,595 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-08-22 04:25:12,595 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-08-22 04:25:12,596 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,596 INFO L264 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,596 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-08-22 04:25:12,596 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 04:25:12,596 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:12,596 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-22 04:25:12,596 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 04:25:12,597 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2020-08-22 04:25:12,598 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2020-08-22 04:25:12,598 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-08-22 04:25:12,599 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 801 836) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 801 836) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 801 836) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-22 04:25:12,600 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-22 04:25:12,600 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 214 259) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 214 259) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 214 259) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point L541(lines 541 561) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point L541-1(lines 541 561) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 527 572) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 527 572) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 527 572) no Hoare annotation was computed. [2020-08-22 04:25:12,601 INFO L268 CegarLoopResult]: For program point L547(lines 547 554) no Hoare annotation was computed. [2020-08-22 04:25:12,602 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,602 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-08-22 04:25:12,602 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-08-22 04:25:12,602 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-22 04:25:12,602 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 781 791) the Hoare annotation is: true [2020-08-22 04:25:12,602 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2020-08-22 04:25:12,602 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 781 791) no Hoare annotation was computed. [2020-08-22 04:25:12,603 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-08-22 04:25:12,603 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2020-08-22 04:25:12,603 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2020-08-22 04:25:12,603 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2020-08-22 04:25:12,603 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,603 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2020-08-22 04:25:12,604 INFO L268 CegarLoopResult]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2020-08-22 04:25:12,604 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,604 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,604 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,604 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-08-22 04:25:12,604 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,605 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-08-22 04:25:12,605 INFO L268 CegarLoopResult]: For program point L744(lines 744 761) no Hoare annotation was computed. [2020-08-22 04:25:12,605 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-08-22 04:25:12,605 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-08-22 04:25:12,605 INFO L264 CegarLoopResult]: At program point testENTRY(lines 865 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,605 INFO L264 CegarLoopResult]: At program point L923(lines 874 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,605 INFO L268 CegarLoopResult]: For program point testFINAL(lines 865 930) no Hoare annotation was computed. [2020-08-22 04:25:12,606 INFO L268 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-08-22 04:25:12,606 INFO L264 CegarLoopResult]: At program point L913-2(lines 905 918) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,606 INFO L268 CegarLoopResult]: For program point L876(lines 875 922) no Hoare annotation was computed. [2020-08-22 04:25:12,606 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,606 INFO L268 CegarLoopResult]: For program point L905(lines 905 918) no Hoare annotation was computed. [2020-08-22 04:25:12,606 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2020-08-22 04:25:12,607 INFO L264 CegarLoopResult]: At program point L920(lines 875 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,607 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 891) no Hoare annotation was computed. [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2020-08-22 04:25:12,607 INFO L268 CegarLoopResult]: For program point testEXIT(lines 865 930) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 481 526) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 481 526) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 481 526) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point L495(lines 495 515) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point L495-1(lines 495 515) no Hoare annotation was computed. [2020-08-22 04:25:12,608 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 666 674) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 666 674) the Hoare annotation is: true [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 666 674) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 634 656) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 634 656) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 634 656) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-22 04:25:12,609 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L448(lines 426 449) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 378 480) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L407(lines 407 423) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L467(lines 467 474) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L428(lines 427 447) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-22 04:25:12,610 INFO L268 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L424(lines 424 465) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 378 480) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L466(lines 466 477) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 378 480) no Hoare annotation was computed. [2020-08-22 04:25:12,611 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-08-22 04:25:12,612 INFO L268 CegarLoopResult]: For program point L427-2(lines 427 447) no Hoare annotation was computed. [2020-08-22 04:25:12,612 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,612 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.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~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 04:25:12,612 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,612 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 765 772) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 657 665) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 657 665) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 657 665) no Hoare annotation was computed. [2020-08-22 04:25:12,613 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 04:25:12,613 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 625 633) the Hoare annotation is: true [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 625 633) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 625 633) no Hoare annotation was computed. [2020-08-22 04:25:12,614 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,615 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,615 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,615 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,615 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-08-22 04:25:12,615 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-08-22 04:25:12,615 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-08-22 04:25:12,616 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-08-22 04:25:12,616 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-08-22 04:25:12,616 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-22 04:25:12,616 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-08-22 04:25:12,616 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-08-22 04:25:12,616 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-08-22 04:25:12,617 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-08-22 04:25:12,617 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-08-22 04:25:12,617 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-08-22 04:25:12,617 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 04:25:12,617 INFO L268 CegarLoopResult]: For program point L593-1(lines 589 600) no Hoare annotation was computed. [2020-08-22 04:25:12,617 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 589 600) the Hoare annotation is: true [2020-08-22 04:25:12,617 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 589 600) no Hoare annotation was computed. [2020-08-22 04:25:12,618 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-08-22 04:25:12,618 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-08-22 04:25:12,618 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,618 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 04:25:12,618 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 04:25:12,618 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:12,619 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 856 863) no Hoare annotation was computed. [2020-08-22 04:25:12,619 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 856 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-22 04:25:12,619 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 856 863) no Hoare annotation was computed. [2020-08-22 04:25:12,619 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2020-08-22 04:25:12,619 INFO L268 CegarLoopResult]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2020-08-22 04:25:12,619 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:12,619 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-08-22 04:25:12,620 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-08-22 04:25:12,620 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-08-22 04:25:12,620 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-08-22 04:25:12,620 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:12,620 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-08-22 04:25:12,621 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2020-08-22 04:25:12,621 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:12,621 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-22 04:25:12,621 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-08-22 04:25:12,621 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2020-08-22 04:25:12,621 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2020-08-22 04:25:12,621 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true [2020-08-22 04:25:12,622 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-08-22 04:25:12,622 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 714 738) no Hoare annotation was computed. [2020-08-22 04:25:12,622 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,622 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-08-22 04:25:12,622 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 714 738) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,622 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,623 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,623 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-08-22 04:25:12,623 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:12,623 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-22 04:25:12,623 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-08-22 04:25:12,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:25:12 BoogieIcfgContainer [2020-08-22 04:25:12,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 04:25:12,645 INFO L168 Benchmark]: Toolchain (without parser) took 22552.04 ms. Allocated memory was 138.4 MB in the beginning and 603.5 MB in the end (delta: 465.0 MB). Free memory was 99.7 MB in the beginning and 543.9 MB in the end (delta: -444.2 MB). Peak memory consumption was 452.9 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,646 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.98 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 170.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,648 INFO L168 Benchmark]: Boogie Preprocessor took 90.86 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,649 INFO L168 Benchmark]: RCFGBuilder took 1309.87 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 197.7 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,650 INFO L168 Benchmark]: TraceAbstraction took 20487.15 ms. Allocated memory was 232.8 MB in the beginning and 603.5 MB in the end (delta: 370.7 MB). Free memory was 197.7 MB in the beginning and 543.9 MB in the end (delta: -346.2 MB). Peak memory consumption was 456.5 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:12,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.98 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 99.5 MB in the beginning and 170.9 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.86 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1309.87 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 197.7 MB in the end (delta: -31.1 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20487.15 ms. Allocated memory was 232.8 MB in the beginning and 603.5 MB in the end (delta: 370.7 MB). Free memory was 197.7 MB in the beginning and 543.9 MB in the end (delta: -346.2 MB). Peak memory consumption was 456.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 766 SDslu, 298 SDs, 0 SdLazy, 1799 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 339 PreInvPairs, 369 NumberOfFragments, 776 HoareAnnotationTreeSize, 339 FomulaSimplifications, 40822 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8413 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 79958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...