/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:03:28,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:03:28,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:03:28,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:03:28,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:03:28,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:03:28,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:03:28,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:03:28,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:03:28,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:03:28,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:03:28,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:03:28,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:03:28,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:03:28,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:03:28,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:03:28,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:03:28,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:03:28,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:03:28,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:03:28,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:03:28,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:03:28,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:03:28,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:03:28,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 05:03:28,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 05:03:28,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 05:03:28,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 05:03:28,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 05:03:28,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 05:03:28,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 05:03:28,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 05:03:28,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 05:03:28,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 05:03:28,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 05:03:28,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 05:03:28,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 05:03:28,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 05:03:28,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:03:28,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:03:28,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:03:28,907 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 [2020-08-19 05:03:28,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:03:28,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:03:28,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:03:28,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:03:28,942 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:03:28,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:03:28,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:03:28,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:03:28,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:03:28,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:03:28,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:03:28,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:03:28,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:03:28,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:03:28,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:03:28,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:03:28,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:03:28,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:03:28,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:03:28,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:03:28,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:03:28,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:03:28,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:03:28,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:03:28,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:03:28,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:03:28,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:03:28,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:03:28,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:03:28,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 05:03:29,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:03:29,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:03:29,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:03:29,275 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:03:29,275 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:03:29,276 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-08-19 05:03:29,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d62b28819/803bfb6e236d40bea3bbcad42a021361/FLAG3b60a3620 [2020-08-19 05:03:29,862 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:03:29,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-08-19 05:03:29,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d62b28819/803bfb6e236d40bea3bbcad42a021361/FLAG3b60a3620 [2020-08-19 05:03:30,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d62b28819/803bfb6e236d40bea3bbcad42a021361 [2020-08-19 05:03:30,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:03:30,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:03:30,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:03:30,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:03:30,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:03:30,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8831ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30, skipping insertion in model container [2020-08-19 05:03:30,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:03:30,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:03:30,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:03:30,801 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:03:30,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:03:30,915 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:03:30,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30 WrapperNode [2020-08-19 05:03:30,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:03:30,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:03:30,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:03:30,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:03:30,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:30,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (1/1) ... [2020-08-19 05:03:31,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:03:31,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:03:31,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:03:31,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:03:31,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (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 [2020-08-19 05:03:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 05:03:31,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 05:03:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 05:03:31,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 05:03:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 05:03:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 05:03:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-19 05:03:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 05:03:31,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 05:03:31,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 05:03:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 05:03:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 05:03:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 05:03:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:03:31,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 05:03:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 05:03:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 05:03:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 05:03:31,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 05:03:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:03:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:03:31,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 05:03:31,093 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-19 05:03:31,094 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 05:03:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 05:03:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 05:03:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 05:03:31,095 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 05:03:31,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 05:03:31,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 05:03:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 05:03:31,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 05:03:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 05:03:31,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 05:03:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 05:03:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 05:03:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 05:03:31,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 05:03:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 05:03:31,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 05:03:31,102 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 05:03:31,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:03:32,141 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:03:32,141 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 05:03:32,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:03:32 BoogieIcfgContainer [2020-08-19 05:03:32,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:03:32,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:03:32,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:03:32,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:03:32,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:03:30" (1/3) ... [2020-08-19 05:03:32,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240bacf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:03:32, skipping insertion in model container [2020-08-19 05:03:32,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:03:30" (2/3) ... [2020-08-19 05:03:32,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240bacf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:03:32, skipping insertion in model container [2020-08-19 05:03:32,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:03:32" (3/3) ... [2020-08-19 05:03:32,155 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-08-19 05:03:32,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:03:32,174 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:03:32,188 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:03:32,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:03:32,212 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:03:32,213 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:03:32,213 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:03:32,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:03:32,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:03:32,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:03:32,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:03:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-19 05:03:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 05:03:32,245 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:32,246 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] [2020-08-19 05:03:32,247 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:32,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:32,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2020-08-19 05:03:32,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:32,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742178878] [2020-08-19 05:03:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:32,891 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 05:03:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 05:03:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:33,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:03:33,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742178878] [2020-08-19 05:03:33,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:03:33,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 05:03:33,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293956996] [2020-08-19 05:03:33,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 05:03:33,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:33,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 05:03:33,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 05:03:33,076 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-08-19 05:03:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:34,279 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-19 05:03:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 05:03:34,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 05:03:34,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:34,296 INFO L225 Difference]: With dead ends: 294 [2020-08-19 05:03:34,296 INFO L226 Difference]: Without dead ends: 159 [2020-08-19 05:03:34,301 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 [2020-08-19 05:03:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-19 05:03:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-08-19 05:03:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-08-19 05:03:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-08-19 05:03:34,395 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-08-19 05:03:34,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:34,396 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-08-19 05:03:34,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 05:03:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-08-19 05:03:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 05:03:34,400 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:34,400 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] [2020-08-19 05:03:34,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:03:34,401 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:34,402 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2020-08-19 05:03:34,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:34,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365663849] [2020-08-19 05:03:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,799 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 05:03:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 05:03:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:03:34,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365663849] [2020-08-19 05:03:34,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:03:34,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 05:03:34,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613995137] [2020-08-19 05:03:34,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 05:03:34,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:34,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 05:03:34,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 05:03:34,860 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-08-19 05:03:35,318 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 05:03:36,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:36,181 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-08-19 05:03:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:03:36,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 05:03:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:36,185 INFO L225 Difference]: With dead ends: 223 [2020-08-19 05:03:36,185 INFO L226 Difference]: Without dead ends: 143 [2020-08-19 05:03:36,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:03:36,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-19 05:03:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-19 05:03:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-19 05:03:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-08-19 05:03:36,229 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-08-19 05:03:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:36,230 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-08-19 05:03:36,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 05:03:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-08-19 05:03:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 05:03:36,232 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:36,232 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] [2020-08-19 05:03:36,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:03:36,233 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:36,233 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2020-08-19 05:03:36,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:36,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323931419] [2020-08-19 05:03:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,589 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 05:03:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 05:03:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:03:36,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323931419] [2020-08-19 05:03:36,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:03:36,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 05:03:36,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153593974] [2020-08-19 05:03:36,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:03:36,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:36,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:03:36,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:03:36,700 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2020-08-19 05:03:37,082 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:03:37,380 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:37,654 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:37,877 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:39,051 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-08-19 05:03:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 05:03:39,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 05:03:39,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:39,055 INFO L225 Difference]: With dead ends: 236 [2020-08-19 05:03:39,056 INFO L226 Difference]: Without dead ends: 143 [2020-08-19 05:03:39,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:03:39,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-19 05:03:39,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-19 05:03:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-19 05:03:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-08-19 05:03:39,089 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-08-19 05:03:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:39,089 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-08-19 05:03:39,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:03:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-08-19 05:03:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-19 05:03:39,092 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:39,092 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] [2020-08-19 05:03:39,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:03:39,092 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2020-08-19 05:03:39,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:39,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000187212] [2020-08-19 05:03:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,376 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:39,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 05:03:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 05:03:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 05:03:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:03:39,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000187212] [2020-08-19 05:03:39,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:03:39,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-19 05:03:39,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537738960] [2020-08-19 05:03:39,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 05:03:39,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:39,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 05:03:39,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:03:39,501 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2020-08-19 05:03:39,961 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:03:40,269 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:40,528 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:40,760 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:41,314 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 05:03:42,625 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:42,988 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:03:43,250 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:03:43,498 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 05:03:43,754 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:03:44,073 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:03:44,342 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 05:03:44,611 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 05:03:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:45,715 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2020-08-19 05:03:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 05:03:45,715 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-08-19 05:03:45,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:45,721 INFO L225 Difference]: With dead ends: 458 [2020-08-19 05:03:45,721 INFO L226 Difference]: Without dead ends: 365 [2020-08-19 05:03:45,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-19 05:03:45,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-08-19 05:03:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2020-08-19 05:03:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-08-19 05:03:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2020-08-19 05:03:45,801 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2020-08-19 05:03:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:45,801 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2020-08-19 05:03:45,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 05:03:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2020-08-19 05:03:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-19 05:03:45,804 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:45,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:03:45,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:03:45,805 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:45,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:45,805 INFO L82 PathProgramCache]: Analyzing trace with hash 425688904, now seen corresponding path program 1 times [2020-08-19 05:03:45,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:45,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868310546] [2020-08-19 05:03:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,059 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-19 05:03:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 05:03:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 05:03:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-19 05:03:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-19 05:03:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:03:46,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868310546] [2020-08-19 05:03:46,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:03:46,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 05:03:46,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453869947] [2020-08-19 05:03:46,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 05:03:46,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:46,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 05:03:46,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:03:46,136 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2020-08-19 05:03:46,446 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:03:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:47,015 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2020-08-19 05:03:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 05:03:47,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-08-19 05:03:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:47,018 INFO L225 Difference]: With dead ends: 459 [2020-08-19 05:03:47,018 INFO L226 Difference]: Without dead ends: 191 [2020-08-19 05:03:47,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:03:47,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-08-19 05:03:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2020-08-19 05:03:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-08-19 05:03:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2020-08-19 05:03:47,059 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 73 [2020-08-19 05:03:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:47,059 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2020-08-19 05:03:47,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 05:03:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2020-08-19 05:03:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-19 05:03:47,062 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:03:47,062 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:03:47,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:03:47,063 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:03:47,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:03:47,063 INFO L82 PathProgramCache]: Analyzing trace with hash 490046148, now seen corresponding path program 1 times [2020-08-19 05:03:47,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:03:47,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192306743] [2020-08-19 05:03:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:03:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,339 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:03:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:03:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:03:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:03:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:03:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-19 05:03:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:03:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-19 05:03:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:03:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-19 05:03:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 05:03:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 05:03:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-19 05:03:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-19 05:03:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:03:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 05:03:47,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192306743] [2020-08-19 05:03:47,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:03:47,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:03:47,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240096470] [2020-08-19 05:03:47,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:03:47,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:03:47,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:03:47,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:03:47,503 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 10 states. [2020-08-19 05:03:48,236 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-19 05:03:48,798 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 05:03:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:03:49,434 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2020-08-19 05:03:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 05:03:49,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-19 05:03:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:03:49,436 INFO L225 Difference]: With dead ends: 240 [2020-08-19 05:03:49,436 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 05:03:49,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-19 05:03:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 05:03:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 05:03:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 05:03:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 05:03:49,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2020-08-19 05:03:49,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:03:49,439 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 05:03:49,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:03:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 05:03:49,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 05:03:49,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 05:03:49,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 05:03:50,034 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-08-19 05:03:50,164 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-08-19 05:03:50,297 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-08-19 05:03:52,185 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-19 05:03:52,502 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:03:52,979 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-19 05:03:53,229 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 05:03:53,436 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-19 05:03:53,566 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-19 05:03:53,897 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:03:54,029 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-19 05:03:54,356 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:03:54,995 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-19 05:03:55,201 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 05:03:55,807 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-19 05:03:55,998 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 05:03:56,656 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-19 05:03:56,863 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-19 05:03:57,429 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-19 05:03:58,021 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-19 05:03:58,209 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 05:03:58,822 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-19 05:03:59,294 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-19 05:03:59,619 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 05:03:59,935 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 05:04:00,247 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:04:00,428 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-19 05:04:00,741 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:04:00,947 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-08-19 05:04:01,535 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-19 05:04:01,947 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 05:04:01,980 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-08-19 05:04:01,980 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-08-19 05:04:01,980 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-19 05:04:01,981 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-08-19 05:04:01,982 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-08-19 05:04:01,982 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-08-19 05:04:01,982 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-08-19 05:04:01,982 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-08-19 05:04:01,982 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2020-08-19 05:04:01,982 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2020-08-19 05:04:01,983 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2020-08-19 05:04:01,983 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2020-08-19 05:04:01,983 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2020-08-19 05:04:01,983 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2020-08-19 05:04:01,983 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2020-08-19 05:04:01,984 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2020-08-19 05:04:01,984 INFO L271 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: true [2020-08-19 05:04:01,984 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-08-19 05:04:01,985 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,985 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 05:04:01,985 INFO L264 CegarLoopResult]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-19 05:04:01,985 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-08-19 05:04:01,985 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2020-08-19 05:04:01,985 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-19 05:04:01,986 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2020-08-19 05:04:01,986 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,986 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,986 INFO L264 CegarLoopResult]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,986 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2020-08-19 05:04:01,986 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-08-19 05:04:01,986 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-08-19 05:04:01,987 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-19 05:04:01,988 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:04:01,988 INFO L268 CegarLoopResult]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2020-08-19 05:04:01,989 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,989 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,989 INFO L268 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-08-19 05:04:01,989 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,989 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-08-19 05:04:01,989 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2020-08-19 05:04:01,990 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-08-19 05:04:01,990 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-08-19 05:04:01,990 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-08-19 05:04:01,991 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-08-19 05:04:01,992 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-08-19 05:04:01,993 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,993 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2020-08-19 05:04:01,994 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2020-08-19 05:04:01,994 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2020-08-19 05:04:01,994 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2020-08-19 05:04:01,994 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2020-08-19 05:04:01,994 INFO L271 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: true [2020-08-19 05:04:01,994 INFO L268 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-08-19 05:04:01,994 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2020-08-19 05:04:01,994 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-19 05:04:01,995 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-19 05:04:01,995 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:04:01,995 INFO L268 CegarLoopResult]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2020-08-19 05:04:01,995 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2020-08-19 05:04:01,995 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,995 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:04:01,995 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,996 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-19 05:04:01,996 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-19 05:04:01,996 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-08-19 05:04:01,996 INFO L268 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2020-08-19 05:04:01,996 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2020-08-19 05:04:01,996 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2020-08-19 05:04:01,996 INFO L268 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2020-08-19 05:04:01,997 INFO L264 CegarLoopResult]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,997 INFO L264 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 05:04:01,997 INFO L268 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2020-08-19 05:04:01,997 INFO L268 CegarLoopResult]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2020-08-19 05:04:01,997 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 05:04:01,997 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-08-19 05:04:01,997 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2020-08-19 05:04:01,998 INFO L264 CegarLoopResult]: At program point L428(lines 383 430) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 05:04:01,998 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 05:04:01,998 INFO L268 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2020-08-19 05:04:01,998 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2020-08-19 05:04:01,998 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-19 05:04:01,998 INFO L264 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 05:04:01,998 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L264 CegarLoopResult]: At program point L421-2(lines 413 426) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse0 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-08-19 05:04:01,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-19 05:04:02,000 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-08-19 05:04:02,001 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-08-19 05:04:02,002 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2020-08-19 05:04:02,003 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-08-19 05:04:02,004 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,005 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,006 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,006 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-19 05:04:02,006 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-19 05:04:02,006 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-19 05:04:02,006 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-19 05:04:02,006 INFO L264 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-19 05:04:02,007 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 05:04:02,007 INFO L268 CegarLoopResult]: For program point L176(lines 175 194) no Hoare annotation was computed. [2020-08-19 05:04:02,007 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-19 05:04:02,007 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2020-08-19 05:04:02,007 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2020-08-19 05:04:02,007 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-08-19 05:04:02,007 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-08-19 05:04:02,008 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-08-19 05:04:02,008 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-19 05:04:02,008 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-08-19 05:04:02,008 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-08-19 05:04:02,008 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-19 05:04:02,008 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-08-19 05:04:02,008 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-08-19 05:04:02,008 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-19 05:04:02,009 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-19 05:04:02,009 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-19 05:04:02,009 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-19 05:04:02,009 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-08-19 05:04:02,009 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-08-19 05:04:02,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,009 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-19 05:04:02,009 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2020-08-19 05:04:02,010 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-19 05:04:02,010 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-19 05:04:02,010 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2020-08-19 05:04:02,011 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2020-08-19 05:04:02,011 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2020-08-19 05:04:02,011 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2020-08-19 05:04:02,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 05:04:02 BoogieIcfgContainer [2020-08-19 05:04:02,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 05:04:02,030 INFO L168 Benchmark]: Toolchain (without parser) took 31769.20 ms. Allocated memory was 141.0 MB in the beginning and 690.5 MB in the end (delta: 549.5 MB). Free memory was 101.3 MB in the beginning and 420.7 MB in the end (delta: -319.4 MB). Peak memory consumption was 565.9 MB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,031 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.32 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,033 INFO L168 Benchmark]: Boogie Preprocessor took 90.19 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,034 INFO L168 Benchmark]: RCFGBuilder took 1139.66 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 193.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,035 INFO L168 Benchmark]: TraceAbstraction took 29880.68 ms. Allocated memory was 235.9 MB in the beginning and 690.5 MB in the end (delta: 454.6 MB). Free memory was 191.6 MB in the beginning and 420.7 MB in the end (delta: -229.1 MB). Peak memory consumption was 561.2 MB. Max. memory is 7.1 GB. [2020-08-19 05:04:02,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.32 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.19 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 164.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.66 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.9 MB in the beginning and 193.0 MB in the end (delta: -28.1 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29880.68 ms. Allocated memory was 235.9 MB in the beginning and 690.5 MB in the end (delta: 454.6 MB). Free memory was 191.6 MB in the beginning and 420.7 MB in the end (delta: -229.1 MB). Peak memory consumption was 561.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && splverifierCounter == 0)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 599 SDtfs, 1229 SDslu, 414 SDs, 0 SdLazy, 2678 SolverSat, 839 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1237 HoareAnnotationTreeSize, 424 FomulaSimplifications, 48678 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 12171 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 123480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 30/37 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...