/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:52:44,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:52:44,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:52:44,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:52:44,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:52:44,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:52:44,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:52:44,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:52:44,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:52:44,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:52:44,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:52:44,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:52:44,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:52:44,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:52:44,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:52:44,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:52:44,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:52:44,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:52:44,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:52:44,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:52:44,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:52:44,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:52:44,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:52:44,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:52:44,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:52:44,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:52:44,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:52:44,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:52:44,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:52:44,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:52:44,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:52:44,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:52:44,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:52:44,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:52:44,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:52:44,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:52:44,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:52:44,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:52:44,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:52:44,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:52:44,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:52:44,971 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:52:45,007 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:52:45,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:52:45,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:52:45,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:52:45,009 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:52:45,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:52:45,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:52:45,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:52:45,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:52:45,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:52:45,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:52:45,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:52:45,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:52:45,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:52:45,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:52:45,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:52:45,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:52:45,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:52:45,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:52:45,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:52:45,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:52:45,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:52:45,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:52:45,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:52:45,014 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=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 16:52:45,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:52:45,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:52:45,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:52:45,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:52:45,316 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:52:45,317 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-08-18 16:52:45,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7eb486319/a8ea6144d1124ce092782ae158ba7e78/FLAG0e881c4e9 [2020-08-18 16:52:45,829 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:52:45,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2020-08-18 16:52:45,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7eb486319/a8ea6144d1124ce092782ae158ba7e78/FLAG0e881c4e9 [2020-08-18 16:52:46,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7eb486319/a8ea6144d1124ce092782ae158ba7e78 [2020-08-18 16:52:46,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:52:46,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:52:46,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:52:46,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:52:46,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:52:46,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277cfff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46, skipping insertion in model container [2020-08-18 16:52:46,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:52:46,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:52:46,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:52:46,604 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:52:46,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:52:46,863 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:52:46,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46 WrapperNode [2020-08-18 16:52:46,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:52:46,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:52:46,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:52:46,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:52:46,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... [2020-08-18 16:52:46,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:52:46,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:52:46,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:52:46,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:52:46,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:52:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:52:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:52:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:52:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:52:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:52:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:52:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:52:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:52:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:52:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:52:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:52:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:52:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:52:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:52:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:52:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:52:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:52:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:52:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 16:52:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:52:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:52:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 16:52:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:52:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:52:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 16:52:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 16:52:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:52:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 16:52:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 16:52:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:52:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:52:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:52:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:52:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:52:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:52:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:52:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:52:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:52:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:52:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:52:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:52:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:52:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:52:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:52:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:52:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:52:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:52:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:52:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:52:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 16:52:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:52:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:52:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:52:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:52:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:52:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:52:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:52:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 16:52:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:52:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:52:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:52:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:52:48,217 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:52:48,217 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:52:48,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:52:48 BoogieIcfgContainer [2020-08-18 16:52:48,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:52:48,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:52:48,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:52:48,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:52:48,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:52:46" (1/3) ... [2020-08-18 16:52:48,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2935a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:52:48, skipping insertion in model container [2020-08-18 16:52:48,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:52:46" (2/3) ... [2020-08-18 16:52:48,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2935a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:52:48, skipping insertion in model container [2020-08-18 16:52:48,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:52:48" (3/3) ... [2020-08-18 16:52:48,232 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2020-08-18 16:52:48,242 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:52:48,251 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:52:48,265 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:52:48,290 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:52:48,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:52:48,290 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:52:48,291 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:52:48,291 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:52:48,291 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:52:48,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:52:48,292 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:52:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-08-18 16:52:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 16:52:48,324 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:52:48,326 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] [2020-08-18 16:52:48,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:52:48,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:52:48,333 INFO L82 PathProgramCache]: Analyzing trace with hash -45404099, now seen corresponding path program 1 times [2020-08-18 16:52:48,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:52:48,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658430938] [2020-08-18 16:52:48,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:52:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,062 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:52:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:52:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:52:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:52:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:52:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:52:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 16:52:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 16:52:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 16:52:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:52:49,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658430938] [2020-08-18 16:52:49,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:52:49,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:52:49,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295992890] [2020-08-18 16:52:49,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:52:49,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:52:49,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:52:49,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:52:49,229 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-08-18 16:52:50,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:52:50,411 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2020-08-18 16:52:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 16:52:50,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 16:52:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:52:50,430 INFO L225 Difference]: With dead ends: 288 [2020-08-18 16:52:50,430 INFO L226 Difference]: Without dead ends: 161 [2020-08-18 16:52:50,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:52:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-08-18 16:52:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-08-18 16:52:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-08-18 16:52:50,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-08-18 16:52:50,543 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-08-18 16:52:50,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:52:50,543 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-08-18 16:52:50,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:52:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-08-18 16:52:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 16:52:50,547 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:52:50,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:52:50,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:52:50,548 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:52:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:52:50,548 INFO L82 PathProgramCache]: Analyzing trace with hash 686467527, now seen corresponding path program 1 times [2020-08-18 16:52:50,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:52:50,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117797369] [2020-08-18 16:52:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:52:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,863 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:52:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:52:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:52:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:52:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:52:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:52:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 16:52:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:52:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:52:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:52:50,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117797369] [2020-08-18 16:52:50,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:52:50,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 16:52:50,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876634566] [2020-08-18 16:52:50,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 16:52:50,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:52:50,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 16:52:50,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:52:50,919 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-08-18 16:52:51,396 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:52:52,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:52:52,215 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2020-08-18 16:52:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 16:52:52,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 16:52:52,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:52:52,219 INFO L225 Difference]: With dead ends: 229 [2020-08-18 16:52:52,219 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 16:52:52,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 16:52:52,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 16:52:52,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 16:52:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 16:52:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 16:52:52,262 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-08-18 16:52:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:52:52,262 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 16:52:52,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 16:52:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 16:52:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 16:52:52,265 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:52:52,265 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] [2020-08-18 16:52:52,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:52:52,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:52:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:52:52,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1825011612, now seen corresponding path program 1 times [2020-08-18 16:52:52,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:52:52,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19445920] [2020-08-18 16:52:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:52:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,593 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:52:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:52:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:52:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:52:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:52:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:52:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 16:52:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 16:52:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 16:52:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:52:52,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19445920] [2020-08-18 16:52:52,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:52:52,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:52:52,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174480780] [2020-08-18 16:52:52,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:52:52,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:52:52,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:52:52,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:52:52,770 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-08-18 16:52:53,144 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:52:53,451 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:53,691 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:53,931 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:52:55,099 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2020-08-18 16:52:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 16:52:55,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 16:52:55,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:52:55,102 INFO L225 Difference]: With dead ends: 242 [2020-08-18 16:52:55,102 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 16:52:55,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 16:52:55,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 16:52:55,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 16:52:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 16:52:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-08-18 16:52:55,142 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2020-08-18 16:52:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:52:55,143 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-08-18 16:52:55,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:52:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-08-18 16:52:55,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-18 16:52:55,145 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:52:55,146 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] [2020-08-18 16:52:55,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:52:55,146 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:52:55,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:52:55,146 INFO L82 PathProgramCache]: Analyzing trace with hash -259302488, now seen corresponding path program 1 times [2020-08-18 16:52:55,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:52:55,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081648759] [2020-08-18 16:52:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:52:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,425 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:52:55,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:52:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:52:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:52:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:52:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:52:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 16:52:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:52:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:52:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:52:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 16:52:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 16:52:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:52:55,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081648759] [2020-08-18 16:52:55,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:52:55,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:52:55,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066806581] [2020-08-18 16:52:55,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:52:55,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:52:55,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:52:55,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:52:55,525 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2020-08-18 16:52:55,923 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:52:56,824 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:57,274 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:52:58,090 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:58,335 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:52:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:52:59,116 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2020-08-18 16:52:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 16:52:59,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-18 16:52:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:52:59,121 INFO L225 Difference]: With dead ends: 373 [2020-08-18 16:52:59,122 INFO L226 Difference]: Without dead ends: 282 [2020-08-18 16:52:59,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 16:52:59,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-08-18 16:52:59,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2020-08-18 16:52:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-08-18 16:52:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2020-08-18 16:52:59,178 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2020-08-18 16:52:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:52:59,178 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2020-08-18 16:52:59,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:52:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2020-08-18 16:52:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-08-18 16:52:59,181 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:52:59,181 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, 1] [2020-08-18 16:52:59,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:52:59,181 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:52:59,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:52:59,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1300181308, now seen corresponding path program 1 times [2020-08-18 16:52:59,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:52:59,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280844071] [2020-08-18 16:52:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:52:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,532 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:52:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:52:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:52:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:52:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:52:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:52:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 16:52:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 16:52:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:52:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:52:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:52:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 16:52:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 16:52:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:52:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:52:59,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280844071] [2020-08-18 16:52:59,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:52:59,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 16:52:59,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502931045] [2020-08-18 16:52:59,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 16:52:59,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:52:59,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 16:52:59,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 16:52:59,646 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2020-08-18 16:53:00,082 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:53:01,046 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:53:01,362 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:53:01,606 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 16:53:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:53:01,877 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2020-08-18 16:53:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 16:53:01,878 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-08-18 16:53:01,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:53:01,879 INFO L225 Difference]: With dead ends: 349 [2020-08-18 16:53:01,879 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:53:01,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 16:53:01,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:53:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:53:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:53:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:53:01,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-08-18 16:53:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:53:01,883 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:53:01,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 16:53:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:53:01,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:53:01,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:53:01,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:53:02,176 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-18 16:53:03,738 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-18 16:53:04,595 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 16:53:04,756 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:05,007 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 16:53:05,167 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 16:53:05,459 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 16:53:05,629 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:05,934 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 16:53:06,266 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-18 16:53:06,475 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:53:06,781 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 16:53:07,150 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 16:53:07,474 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 16:53:07,812 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 16:53:07,987 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 16:53:08,279 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 16:53:08,493 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 16:53:08,707 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:09,023 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 16:53:09,183 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 16:53:09,435 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:09,768 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 16:53:09,924 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 16:53:10,171 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:10,339 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 16:53:10,643 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 16:53:10,647 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 16:53:10,648 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 16:53:10,648 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 16:53:10,648 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 16:53:10,648 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 16:53:10,648 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 16:53:10,649 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 16:53:10,650 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-08-18 16:53:10,650 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-08-18 16:53:10,651 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-18 16:53:10,651 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-08-18 16:53:10,651 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-18 16:53:10,651 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,651 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-08-18 16:53:10,651 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 16:53:10,652 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 16:53:10,652 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-08-18 16:53:10,652 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-08-18 16:53:10,652 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 16:53:10,652 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,652 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,653 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 16:53:10,653 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-08-18 16:53:10,654 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L767-1(lines 748 772) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,655 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-08-18 16:53:10,655 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,655 INFO L268 CegarLoopResult]: For program point L754-1(line 754) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 748 772) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 748 772) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 843 851) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 843 851) the Hoare annotation is: true [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 843 851) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-08-18 16:53:10,656 INFO L271 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: true [2020-08-18 16:53:10,656 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 888 906) the Hoare annotation is: true [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 888 906) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 888 906) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point L859(lines 859 867) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point L859-2(lines 859 867) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-18 16:53:10,657 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 852 887) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point L871(lines 871 879) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 852 887) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point L871-2(lines 871 879) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 852 887) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-08-18 16:53:10,658 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-08-18 16:53:10,658 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 16:53:10,659 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 16:53:10,660 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,660 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-08-18 16:53:10,660 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-08-18 16:53:10,660 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 16:53:10,660 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 832 842) the Hoare annotation is: true [2020-08-18 16:53:10,660 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 832 842) no Hoare annotation was computed. [2020-08-18 16:53:10,660 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 832 842) no Hoare annotation was computed. [2020-08-18 16:53:10,660 INFO L271 CegarLoopResult]: At program point L837(line 837) the Hoare annotation is: true [2020-08-18 16:53:10,660 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 824 831) the Hoare annotation is: true [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 824 831) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 824 831) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L264 CegarLoopResult]: At program point L793(line 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point L793-1(lines 774 798) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 774 798) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,661 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 774 798) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,661 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-08-18 16:53:10,661 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,661 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-18 16:53:10,662 INFO L268 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2020-08-18 16:53:10,662 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 740 746) no Hoare annotation was computed. [2020-08-18 16:53:10,662 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 740 746) the Hoare annotation is: true [2020-08-18 16:53:10,662 INFO L264 CegarLoopResult]: At program point testENTRY(lines 642 707) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,662 INFO L264 CegarLoopResult]: At program point L700(lines 651 701) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,662 INFO L268 CegarLoopResult]: For program point testFINAL(lines 642 707) no Hoare annotation was computed. [2020-08-18 16:53:10,662 INFO L268 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-08-18 16:53:10,662 INFO L264 CegarLoopResult]: At program point L690-2(lines 682 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,662 INFO L268 CegarLoopResult]: For program point L653(lines 652 699) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L264 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L682(lines 682 695) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L264 CegarLoopResult]: At program point L697(lines 652 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,663 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point testEXIT(lines 642 707) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 16:53:10,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 799 806) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 799 806) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 799 806) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 631 639) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 631 639) the Hoare annotation is: true [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 631 639) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-08-18 16:53:10,664 INFO L268 CegarLoopResult]: For program point L946(lines 946 956) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 934 962) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 16:53:10,665 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point L944-1(line 944) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point L942(lines 942 959) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point L942-1(lines 934 962) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 934 962) no Hoare annotation was computed. [2020-08-18 16:53:10,665 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 926 933) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 16:53:10,665 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 926 933) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 926 933) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point L607(lines 607 615) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point L607-2(lines 607 615) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 599 621) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 599 621) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 599 621) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 16:53:10,666 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 16:53:10,667 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-08-18 16:53:10,668 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-08-18 16:53:10,669 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-08-18 16:53:10,669 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,669 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.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~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.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~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:53:10,669 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,669 INFO L268 CegarLoopResult]: For program point L818-1(lines 807 823) no Hoare annotation was computed. [2020-08-18 16:53:10,669 INFO L268 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 807 823) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 807 823) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 622 630) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 622 630) no Hoare annotation was computed. [2020-08-18 16:53:10,670 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 622 630) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 578 589) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 16:53:10,671 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-08-18 16:53:10,671 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,671 INFO L264 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,672 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,672 INFO L268 CegarLoopResult]: For program point L720(lines 719 738) no Hoare annotation was computed. [2020-08-18 16:53:10,672 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 716 739) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:53:10,672 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 716 739) no Hoare annotation was computed. [2020-08-18 16:53:10,672 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 716 739) no Hoare annotation was computed. [2020-08-18 16:53:10,672 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-08-18 16:53:10,672 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-08-18 16:53:10,672 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-08-18 16:53:10,673 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 16:53:10,673 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-08-18 16:53:10,673 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-08-18 16:53:10,673 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 16:53:10,673 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-08-18 16:53:10,673 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-08-18 16:53:10,673 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-08-18 16:53:10,673 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 590 598) the Hoare annotation is: true [2020-08-18 16:53:10,673 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 590 598) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 590 598) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 554 565) the Hoare annotation is: true [2020-08-18 16:53:10,674 INFO L268 CegarLoopResult]: For program point L558-1(lines 554 565) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 554 565) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-08-18 16:53:10,674 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,674 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 16:53:10,675 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:53:10,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:53:10,675 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 907 914) no Hoare annotation was computed. [2020-08-18 16:53:10,675 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 907 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 16:53:10,675 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 907 914) no Hoare annotation was computed. [2020-08-18 16:53:10,675 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 566 577) no Hoare annotation was computed. [2020-08-18 16:53:10,675 INFO L268 CegarLoopResult]: For program point L570-1(lines 566 577) no Hoare annotation was computed. [2020-08-18 16:53:10,675 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 566 577) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 16:53:10,676 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 916 923) no Hoare annotation was computed. [2020-08-18 16:53:10,676 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2020-08-18 16:53:10,676 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 916 923) the Hoare annotation is: true [2020-08-18 16:53:10,676 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 916 923) no Hoare annotation was computed. [2020-08-18 16:53:10,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:53:10 BoogieIcfgContainer [2020-08-18 16:53:10,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:53:10,695 INFO L168 Benchmark]: Toolchain (without parser) took 24529.62 ms. Allocated memory was 141.6 MB in the beginning and 552.1 MB in the end (delta: 410.5 MB). Free memory was 103.7 MB in the beginning and 197.7 MB in the end (delta: -94.0 MB). Peak memory consumption was 424.8 MB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,696 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.42 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.3 MB in the beginning and 176.5 MB in the end (delta: -73.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,698 INFO L168 Benchmark]: Boogie Preprocessor took 117.73 ms. Allocated memory is still 207.1 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,698 INFO L168 Benchmark]: RCFGBuilder took 1238.03 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 171.6 MB in the beginning and 191.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,699 INFO L168 Benchmark]: TraceAbstraction took 22468.67 ms. Allocated memory was 234.4 MB in the beginning and 552.1 MB in the end (delta: 317.7 MB). Free memory was 191.9 MB in the beginning and 197.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 420.2 MB. Max. memory is 7.1 GB. [2020-08-18 16:53:10,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.42 ms. Allocated memory was 141.6 MB in the beginning and 207.1 MB in the end (delta: 65.5 MB). Free memory was 103.3 MB in the beginning and 176.5 MB in the end (delta: -73.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.73 ms. Allocated memory is still 207.1 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1238.03 ms. Allocated memory was 207.1 MB in the beginning and 234.4 MB in the end (delta: 27.3 MB). Free memory was 171.6 MB in the beginning and 191.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22468.67 ms. Allocated memory was 234.4 MB in the beginning and 552.1 MB in the end (delta: 317.7 MB). Free memory was 191.9 MB in the beginning and 197.7 MB in the end (delta: -5.8 MB). Peak memory consumption was 420.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: 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: 652]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 507 SDtfs, 840 SDslu, 415 SDs, 0 SdLazy, 2115 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred 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, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 886 HoareAnnotationTreeSize, 352 FomulaSimplifications, 108587 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 10359 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 90515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...