java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:57,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:57,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:57,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:57,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:57,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:57,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:57,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:57,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:57,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:57,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:57,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:57,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:57,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:57,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:57,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:57,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:57,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:57,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:57,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:57,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:57,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:57,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:57,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:57,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:57,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:57,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:57,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:57,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:57,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:57,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:57,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:57,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:57,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:57,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:57,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:57,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:57,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:57,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:57,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:57,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:57,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:04:58,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:58,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:58,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:58,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:58,016 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:58,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:58,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:58,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:58,018 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:58,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:58,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:58,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:58,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:58,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:58,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:58,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:58,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:58,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:58,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:58,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:58,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:58,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:58,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:58,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:58,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:58,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:58,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:58,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:58,095 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:58,096 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-20 13:04:58,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6a06c9c/35bb4f83fff644ec93d4410b8901e5e5/FLAG62955139f [2019-09-20 13:04:58,726 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-09-20 13:04:58,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6a06c9c/35bb4f83fff644ec93d4410b8901e5e5/FLAG62955139f [2019-09-20 13:04:59,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6a06c9c/35bb4f83fff644ec93d4410b8901e5e5 [2019-09-20 13:04:59,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:59,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:59,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:59,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:59,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:59,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@580a67ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59, skipping insertion in model container [2019-09-20 13:04:59,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:59,098 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:59,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:59,551 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:59,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:59,667 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:59,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59 WrapperNode [2019-09-20 13:04:59,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:59,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:59,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:59,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:59,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... [2019-09-20 13:04:59,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:59,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:59,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:59,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:59,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:04:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:04:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:59,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:59,861 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:04:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:04:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:59,870 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:59,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:00,896 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:00,897 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:00,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:00 BoogieIcfgContainer [2019-09-20 13:05:00,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:00,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:00,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:00,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:00,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:59" (1/3) ... [2019-09-20 13:05:00,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65392cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:00, skipping insertion in model container [2019-09-20 13:05:00,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:59" (2/3) ... [2019-09-20 13:05:00,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65392cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:00, skipping insertion in model container [2019-09-20 13:05:00,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:00" (3/3) ... [2019-09-20 13:05:00,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-09-20 13:05:00,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:00,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:00,949 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:00,992 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:00,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:00,993 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:00,993 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:00,994 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:00,994 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:00,994 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:00,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:00,995 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:01,038 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-09-20 13:05:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:05:01,048 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:01,049 INFO L407 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] [2019-09-20 13:05:01,051 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:01,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2019-09-20 13:05:01,060 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:01,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:01,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:01,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:01,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:01,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:01,502 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:01,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:01,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:01,518 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-09-20 13:05:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:01,569 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2019-09-20 13:05:01,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:01,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:05:01,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:01,585 INFO L225 Difference]: With dead ends: 252 [2019-09-20 13:05:01,585 INFO L226 Difference]: Without dead ends: 128 [2019-09-20 13:05:01,589 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:01,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-20 13:05:01,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-20 13:05:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:05:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-09-20 13:05:01,640 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2019-09-20 13:05:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:01,640 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-09-20 13:05:01,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-09-20 13:05:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:01,644 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:01,644 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:01,645 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:01,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:01,645 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2019-09-20 13:05:01,645 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:01,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:01,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:01,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:01,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:01,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:01,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:01,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:01,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:01,772 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-09-20 13:05:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:01,794 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2019-09-20 13:05:01,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:01,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:05:01,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:01,797 INFO L225 Difference]: With dead ends: 201 [2019-09-20 13:05:01,797 INFO L226 Difference]: Without dead ends: 119 [2019-09-20 13:05:01,799 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-20 13:05:01,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-20 13:05:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-20 13:05:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-09-20 13:05:01,816 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2019-09-20 13:05:01,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:01,817 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-09-20 13:05:01,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-09-20 13:05:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:05:01,821 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:01,821 INFO L407 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] [2019-09-20 13:05:01,821 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:01,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:01,823 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2019-09-20 13:05:01,824 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:01,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:01,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:01,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:01,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:01,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:01,950 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:01,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:01,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:01,953 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2019-09-20 13:05:01,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:01,991 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2019-09-20 13:05:01,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:01,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-09-20 13:05:01,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:01,994 INFO L225 Difference]: With dead ends: 210 [2019-09-20 13:05:01,994 INFO L226 Difference]: Without dead ends: 119 [2019-09-20 13:05:01,996 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-20 13:05:02,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-20 13:05:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-20 13:05:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-09-20 13:05:02,012 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2019-09-20 13:05:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:02,012 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-09-20 13:05:02,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-09-20 13:05:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-20 13:05:02,015 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:02,015 INFO L407 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] [2019-09-20 13:05:02,015 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:02,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:02,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2019-09-20 13:05:02,016 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:02,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:02,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:02,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:02,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:02,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:02,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:02,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:02,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:02,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:02,150 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2019-09-20 13:05:02,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:02,690 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2019-09-20 13:05:02,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:02,691 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-20 13:05:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:02,694 INFO L225 Difference]: With dead ends: 306 [2019-09-20 13:05:02,694 INFO L226 Difference]: Without dead ends: 215 [2019-09-20 13:05:02,695 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-09-20 13:05:02,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2019-09-20 13:05:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-09-20 13:05:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2019-09-20 13:05:02,719 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2019-09-20 13:05:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:02,719 INFO L475 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2019-09-20 13:05:02,720 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2019-09-20 13:05:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:05:02,723 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:02,723 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:02,723 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:02,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:02,723 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2019-09-20 13:05:02,724 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:02,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:02,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:02,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:02,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:02,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:02,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:02,826 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:02,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:02,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:02,826 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 6 states. [2019-09-20 13:05:03,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:03,023 INFO L93 Difference]: Finished difference Result 517 states and 617 transitions. [2019-09-20 13:05:03,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:03,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-20 13:05:03,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:03,028 INFO L225 Difference]: With dead ends: 517 [2019-09-20 13:05:03,028 INFO L226 Difference]: Without dead ends: 348 [2019-09-20 13:05:03,030 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-09-20 13:05:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2019-09-20 13:05:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-09-20 13:05:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2019-09-20 13:05:03,070 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2019-09-20 13:05:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:03,073 INFO L475 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2019-09-20 13:05:03,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2019-09-20 13:05:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-20 13:05:03,078 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:03,078 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:03,083 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:03,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:03,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2019-09-20 13:05:03,084 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:03,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:03,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:03,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:03,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:03,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:03,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:03,230 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:03,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:03,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:03,231 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 7 states. [2019-09-20 13:05:03,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:03,987 INFO L93 Difference]: Finished difference Result 685 states and 812 transitions. [2019-09-20 13:05:03,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:05:03,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-20 13:05:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:03,991 INFO L225 Difference]: With dead ends: 685 [2019-09-20 13:05:03,991 INFO L226 Difference]: Without dead ends: 371 [2019-09-20 13:05:03,993 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-09-20 13:05:04,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 341. [2019-09-20 13:05:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-09-20 13:05:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2019-09-20 13:05:04,020 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2019-09-20 13:05:04,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:04,021 INFO L475 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2019-09-20 13:05:04,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2019-09-20 13:05:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:05:04,023 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:04,023 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:04,023 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:04,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:04,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2019-09-20 13:05:04,024 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:04,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:04,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:04,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:04,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:04,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:04,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:04,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:04,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:04,125 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 6 states. [2019-09-20 13:05:04,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:04,165 INFO L93 Difference]: Finished difference Result 664 states and 774 transitions. [2019-09-20 13:05:04,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:04,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-20 13:05:04,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:04,168 INFO L225 Difference]: With dead ends: 664 [2019-09-20 13:05:04,169 INFO L226 Difference]: Without dead ends: 351 [2019-09-20 13:05:04,170 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:04,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-09-20 13:05:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-09-20 13:05:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-09-20 13:05:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2019-09-20 13:05:04,192 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2019-09-20 13:05:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:04,193 INFO L475 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2019-09-20 13:05:04,193 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2019-09-20 13:05:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:05:04,195 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:04,195 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:04,195 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:04,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2019-09-20 13:05:04,196 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:04,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:04,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:04,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:04,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:04,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:05:04,281 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:04,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:04,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:04,282 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 8 states. [2019-09-20 13:05:04,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:04,323 INFO L93 Difference]: Finished difference Result 688 states and 808 transitions. [2019-09-20 13:05:04,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:04,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-09-20 13:05:04,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:04,327 INFO L225 Difference]: With dead ends: 688 [2019-09-20 13:05:04,327 INFO L226 Difference]: Without dead ends: 365 [2019-09-20 13:05:04,328 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-09-20 13:05:04,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 359. [2019-09-20 13:05:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-09-20 13:05:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2019-09-20 13:05:04,359 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2019-09-20 13:05:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:04,360 INFO L475 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2019-09-20 13:05:04,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2019-09-20 13:05:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:05:04,365 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:04,365 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:04,365 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:04,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2019-09-20 13:05:04,366 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:04,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:04,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:04,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:04,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:04,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:05:04,480 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:05:04,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:05:04,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:04,481 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2019-09-20 13:05:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:04,706 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2019-09-20 13:05:04,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:05:04,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-09-20 13:05:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:04,715 INFO L225 Difference]: With dead ends: 1076 [2019-09-20 13:05:04,716 INFO L226 Difference]: Without dead ends: 745 [2019-09-20 13:05:04,718 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:04,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-09-20 13:05:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2019-09-20 13:05:04,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-09-20 13:05:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2019-09-20 13:05:04,787 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2019-09-20 13:05:04,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:04,788 INFO L475 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2019-09-20 13:05:04,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:05:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2019-09-20 13:05:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:05:04,792 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:04,792 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:04,792 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:04,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:04,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2019-09-20 13:05:04,793 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:04,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:04,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:04,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:04,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:04,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:04,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:04,869 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2019-09-20 13:05:04,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:04,922 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2019-09-20 13:05:04,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:04,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-09-20 13:05:04,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:04,929 INFO L225 Difference]: With dead ends: 744 [2019-09-20 13:05:04,929 INFO L226 Difference]: Without dead ends: 741 [2019-09-20 13:05:04,929 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-09-20 13:05:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2019-09-20 13:05:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-09-20 13:05:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2019-09-20 13:05:04,972 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2019-09-20 13:05:04,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:04,972 INFO L475 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2019-09-20 13:05:04,972 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2019-09-20 13:05:04,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-20 13:05:04,976 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:04,976 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:04,976 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:04,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2019-09-20 13:05:04,977 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:04,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:04,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:04,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:04,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:05:05,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:05,130 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:05,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:05,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:05:05,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:05:05,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:05,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:05:05,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:05:05,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:05:05,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:05:05,602 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 19 states. [2019-09-20 13:05:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:07,035 INFO L93 Difference]: Finished difference Result 1147 states and 1326 transitions. [2019-09-20 13:05:07,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:05:07,036 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2019-09-20 13:05:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:07,040 INFO L225 Difference]: With dead ends: 1147 [2019-09-20 13:05:07,040 INFO L226 Difference]: Without dead ends: 556 [2019-09-20 13:05:07,042 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:05:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2019-09-20 13:05:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 527. [2019-09-20 13:05:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-09-20 13:05:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 595 transitions. [2019-09-20 13:05:07,086 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 595 transitions. Word has length 150 [2019-09-20 13:05:07,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:07,087 INFO L475 AbstractCegarLoop]: Abstraction has 527 states and 595 transitions. [2019-09-20 13:05:07,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:05:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 595 transitions. [2019-09-20 13:05:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-20 13:05:07,090 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:07,091 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:07,091 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:07,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:07,091 INFO L82 PathProgramCache]: Analyzing trace with hash 182941043, now seen corresponding path program 1 times [2019-09-20 13:05:07,092 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:07,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:07,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:07,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:07,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:05:07,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:07,243 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:07,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:07,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:05:07,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:07,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:07,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-20 13:05:07,498 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:07,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:07,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:07,499 INFO L87 Difference]: Start difference. First operand 527 states and 595 transitions. Second operand 8 states. [2019-09-20 13:05:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:07,734 INFO L93 Difference]: Finished difference Result 843 states and 961 transitions. [2019-09-20 13:05:07,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:07,735 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2019-09-20 13:05:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:07,735 INFO L225 Difference]: With dead ends: 843 [2019-09-20 13:05:07,736 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:07,738 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:07,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:07,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:07,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-09-20 13:05:07,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:07,739 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:07,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:07,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:07,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:08,490 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-09-20 13:05:08,741 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-09-20 13:05:09,058 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2019-09-20 13:05:09,171 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-09-20 13:05:09,380 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2019-09-20 13:05:09,562 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-09-20 13:05:09,863 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2019-09-20 13:05:10,042 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-09-20 13:05:10,196 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2019-09-20 13:05:10,377 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2019-09-20 13:05:10,492 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2019-09-20 13:05:10,638 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-09-20 13:05:10,800 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2019-09-20 13:05:11,163 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2019-09-20 13:05:11,284 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-09-20 13:05:11,427 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-09-20 13:05:11,875 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2019-09-20 13:05:12,082 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-09-20 13:05:12,278 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-09-20 13:05:12,425 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2019-09-20 13:05:12,614 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-09-20 13:05:12,891 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-09-20 13:05:13,025 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-09-20 13:05:13,028 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-09-20 13:05:13,028 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-09-20 13:05:13,029 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2019-09-20 13:05:13,030 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2019-09-20 13:05:13,030 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2019-09-20 13:05:13,031 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,031 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,031 INFO L439 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,031 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-09-20 13:05:13,032 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2019-09-20 13:05:13,032 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-09-20 13:05:13,032 INFO L439 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,032 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2019-09-20 13:05:13,032 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,032 INFO L439 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-09-20 13:05:13,033 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2019-09-20 13:05:13,034 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2019-09-20 13:05:13,035 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 786) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-09-20 13:05:13,036 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-09-20 13:05:13,037 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 793) no Hoare annotation was computed. [2019-09-20 13:05:13,037 INFO L443 ceAbstractionStarter]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2019-09-20 13:05:13,037 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,037 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2019-09-20 13:05:13,037 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,037 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2019-09-20 13:05:13,038 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2019-09-20 13:05:13,038 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-09-20 13:05:13,038 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-09-20 13:05:13,038 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2019-09-20 13:05:13,038 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2019-09-20 13:05:13,038 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (or (not (= ~methaneLevelCritical~0 1)) (not (<= 1 ~systemActive~0)))) [2019-09-20 13:05:13,038 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2019-09-20 13:05:13,038 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2019-09-20 13:05:13,039 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2019-09-20 13:05:13,039 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-09-20 13:05:13,039 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2019-09-20 13:05:13,039 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2019-09-20 13:05:13,039 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-09-20 13:05:13,039 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) .cse0 .cse2 .cse4) (or .cse1 .cse3 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:13,040 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) .cse2 (or .cse3 .cse4)) (or .cse2 .cse4 .cse1) (or .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:13,040 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-09-20 13:05:13,040 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-09-20 13:05:13,040 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~systemActive~0)))) (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5))) (and (or .cse0 .cse1) (or .cse2 .cse3 (or .cse4 .cse5)) (or .cse2 .cse3 .cse5 .cse1) (or .cse4 .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:13,040 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-09-20 13:05:13,040 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (not .cse7) .cse8)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (or .cse7 .cse8)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse0 .cse6)) (or .cse4 .cse5 .cse6 .cse3)))) [2019-09-20 13:05:13,040 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-09-20 13:05:13,041 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 ~systemActive~0)))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (or (not .cse6) .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or .cse6 .cse7))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse2) (or .cse0 (or .cse3 .cse1))))) [2019-09-20 13:05:13,041 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-09-20 13:05:13,041 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-09-20 13:05:13,041 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,041 INFO L439 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,041 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2019-09-20 13:05:13,042 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-09-20 13:05:13,042 INFO L439 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse4 .cse5) (and .cse4 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:05:13,042 INFO L443 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-09-20 13:05:13,042 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-09-20 13:05:13,042 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse4 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:05:13,042 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-09-20 13:05:13,042 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-09-20 13:05:13,043 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse4 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:05:13,043 INFO L439 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse4 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))))) [2019-09-20 13:05:13,043 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-09-20 13:05:13,043 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2019-09-20 13:05:13,043 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-09-20 13:05:13,043 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 747) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2019-09-20 13:05:13,044 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (= ~waterLevel~0 1) .cse3 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse4)))) [2019-09-20 13:05:13,044 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2019-09-20 13:05:13,045 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2019-09-20 13:05:13,045 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse1 .cse2) (or .cse3 .cse0 .cse6 (not .cse4) .cse7 .cse1))) [2019-09-20 13:05:13,045 INFO L443 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2019-09-20 13:05:13,045 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2019-09-20 13:05:13,045 INFO L443 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2019-09-20 13:05:13,045 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not .cse6)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse5 .cse6 (not (= 1 ~pumpRunning~0)) .cse3 .cse2 .cse4) (or .cse5 .cse0 .cse3 .cse1 .cse2 .cse4)))) [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-09-20 13:05:13,046 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not .cse6)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse5 .cse6 (not (= 1 ~pumpRunning~0)) .cse3 .cse2 .cse4) (or .cse5 .cse0 .cse3 .cse1 .cse2 .cse4)))) [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 400) no Hoare annotation was computed. [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2019-09-20 13:05:13,046 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~systemActive~0))) [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 709) no Hoare annotation was computed. [2019-09-20 13:05:13,047 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L699(lines 699 706) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-09-20 13:05:13,048 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,049 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-09-20 13:05:13,049 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 .cse3) (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-09-20 13:05:13,050 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2019-09-20 13:05:13,051 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L443 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2019-09-20 13:05:13,051 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (= 1 ~methaneLevelCritical~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (or (not (= 0 ~pumpRunning~0)) .cse5)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (or .cse5 .cse0)) (or .cse6 .cse2 .cse3 .cse7) (or .cse6 .cse5 .cse4 .cse3 .cse7)))) [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,052 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2019-09-20 13:05:13,052 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2019-09-20 13:05:13,053 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse13 (= 1 ~waterLevel~0)) (.cse11 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (and .cse13 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not .cse13)) (.cse6 (= ~pumpRunning~0 1)) (.cse12 (or .cse1 .cse5)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse8 .cse5)) (or .cse1 .cse3 .cse4 .cse8 .cse2 .cse5) (or .cse0 .cse9 (and .cse10 .cse6 .cse11) .cse12 .cse4) (or .cse5 .cse0 .cse7 .cse9) (or .cse9 (and .cse10 .cse6) .cse12 .cse4 .cse8)))) [2019-09-20 13:05:13,053 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse5 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse6) (or .cse5 .cse6 .cse2) (or .cse3 .cse4 .cse0 .cse1)))) [2019-09-20 13:05:13,053 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-09-20 13:05:13,053 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse8 (= 0 ~methAndRunningLastTime~0))) (let ((.cse5 (and (= ~pumpRunning~0 0) .cse8)) (.cse6 (or .cse9 .cse3)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse7) (or .cse5 .cse6 .cse7 .cse2) (or .cse3 .cse4 .cse8 .cse0 .cse7) (or .cse4 .cse9 .cse10 .cse11 .cse7 .cse3) (or .cse9 .cse11 .cse7 .cse2 .cse10 .cse3) (or .cse3 .cse4 .cse1 .cse0)))) [2019-09-20 13:05:13,053 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-09-20 13:05:13,053 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-09-20 13:05:13,054 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (or .cse9 .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse2) (or .cse7 (and .cse4 .cse8) .cse5 .cse6) (or .cse9 .cse10 .cse6 .cse2 (and .cse11 .cse8) .cse3) (or .cse7 .cse9 .cse11 .cse10 .cse6 .cse3) (or .cse3 .cse7 .cse0 .cse1)))) [2019-09-20 13:05:13,054 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-09-20 13:05:13,054 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-09-20 13:05:13,054 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-09-20 13:05:13,054 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-09-20 13:05:13,054 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-09-20 13:05:13,054 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-09-20 13:05:13,055 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-09-20 13:05:13,055 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-09-20 13:05:13,055 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-09-20 13:05:13,055 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-09-20 13:05:13,055 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2019-09-20 13:05:13,055 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2019-09-20 13:05:13,055 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2019-09-20 13:05:13,055 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-09-20 13:05:13,055 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-09-20 13:05:13,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,056 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-20 13:05:13,056 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:05:13,056 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:13,056 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2019-09-20 13:05:13,056 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or .cse1 .cse3)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse6) (or (and (not (= 1 ~waterLevel~0)) .cse5) .cse4 .cse6)))) [2019-09-20 13:05:13,057 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-09-20 13:05:13,057 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2019-09-20 13:05:13,057 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~systemActive~0)))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2019-09-20 13:05:13,057 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-09-20 13:05:13,057 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-09-20 13:05:13,057 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2))) (and (or .cse0 .cse1) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-20 13:05:13,057 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-09-20 13:05:13,058 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~systemActive~0)))) (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse1 .cse0 .cse3)))) [2019-09-20 13:05:13,058 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2019-09-20 13:05:13,058 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse4))) [2019-09-20 13:05:13,058 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2019-09-20 13:05:13,058 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2019-09-20 13:05:13,058 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2019-09-20 13:05:13,058 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-09-20 13:05:13,058 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2019-09-20 13:05:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:05:13 BoogieIcfgContainer [2019-09-20 13:05:13,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:05:13,076 INFO L168 Benchmark]: Toolchain (without parser) took 14037.80 ms. Allocated memory was 135.8 MB in the beginning and 491.8 MB in the end (delta: 356.0 MB). Free memory was 81.5 MB in the beginning and 292.8 MB in the end (delta: -211.2 MB). Peak memory consumption was 319.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,077 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.32 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 81.3 MB in the beginning and 163.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,079 INFO L168 Benchmark]: Boogie Preprocessor took 102.67 ms. Allocated memory is still 197.7 MB. Free memory was 163.3 MB in the beginning and 159.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,080 INFO L168 Benchmark]: RCFGBuilder took 1127.56 ms. Allocated memory is still 197.7 MB. Free memory was 159.4 MB in the beginning and 73.8 MB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,081 INFO L168 Benchmark]: TraceAbstraction took 12174.34 ms. Allocated memory was 197.7 MB in the beginning and 491.8 MB in the end (delta: 294.1 MB). Free memory was 73.8 MB in the beginning and 292.8 MB in the end (delta: -218.9 MB). Peak memory consumption was 250.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:13,084 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 135.8 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.32 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 81.3 MB in the beginning and 163.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.67 ms. Allocated memory is still 197.7 MB. Free memory was 163.3 MB in the beginning and 159.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1127.56 ms. Allocated memory is still 197.7 MB. Free memory was 159.4 MB in the beginning and 73.8 MB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12174.34 ms. Allocated memory was 197.7 MB in the beginning and 491.8 MB in the end (delta: 294.1 MB). Free memory was 73.8 MB in the beginning and 292.8 MB in the end (delta: -218.9 MB). Peak memory consumption was 250.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((((((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1) && 0 == methAndRunningLastTime)) || ((0 == splverifierCounter && pumpRunning == 1) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1912 SDtfs, 1156 SDslu, 5634 SDs, 0 SdLazy, 2033 SolverSat, 252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 473 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1308 PreInvPairs, 1358 NumberOfFragments, 2305 HoareAnnotationTreeSize, 1308 FomulaSimplifications, 4829 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7585 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1340 ConstructedInterpolants, 0 QuantifiedInterpolants, 243992 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1804 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 182/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...