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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:41,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:41,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:41,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:41,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:41,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:41,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:41,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:41,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:41,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:41,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:41,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:41,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:41,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:41,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:41,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:41,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:41,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:41,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:41,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:41,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:41,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:41,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:41,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:41,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:41,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:41,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:41,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:41,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:41,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:41,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:41,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:41,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:41,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:41,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:41,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:41,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:41,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:41,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:41,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:41,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:41,932 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 [2019-10-15 01:19:41,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:41,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:41,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:41,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:41,959 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:41,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:41,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:41,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:41,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:41,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:41,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:41,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:41,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:41,963 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:41,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:41,963 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:41,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:41,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:41,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:41,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:41,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:41,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:41,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:41,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:41,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:41,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:41,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:41,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:41,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:42,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:42,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:42,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:42,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:42,262 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:42,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-10-15 01:19:42,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d889daaf6/cd19e4a847da4ced883518f0e12e2c0f/FLAG3744dfa49 [2019-10-15 01:19:42,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:42,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2019-10-15 01:19:42,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d889daaf6/cd19e4a847da4ced883518f0e12e2c0f/FLAG3744dfa49 [2019-10-15 01:19:43,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d889daaf6/cd19e4a847da4ced883518f0e12e2c0f [2019-10-15 01:19:43,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:43,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:43,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:43,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:43,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:43,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ae7ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43, skipping insertion in model container [2019-10-15 01:19:43,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,188 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:43,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:43,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:43,672 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:43,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:43,811 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:43,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43 WrapperNode [2019-10-15 01:19:43,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:43,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:43,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:43,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:43,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:43,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:43,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:43,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:43,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (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 [2019-10-15 01:19:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:43,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:43,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:43,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:43,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:43,978 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:45,013 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:45,013 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:45,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:45 BoogieIcfgContainer [2019-10-15 01:19:45,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:45,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:45,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:45,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:45,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:43" (1/3) ... [2019-10-15 01:19:45,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75b273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:45, skipping insertion in model container [2019-10-15 01:19:45,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (2/3) ... [2019-10-15 01:19:45,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75b273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:45, skipping insertion in model container [2019-10-15 01:19:45,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:45" (3/3) ... [2019-10-15 01:19:45,023 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2019-10-15 01:19:45,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:45,041 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:45,052 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:45,091 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:45,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:45,092 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:45,092 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:45,092 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:45,092 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:45,092 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:45,093 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-15 01:19:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:45,129 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:45,130 INFO L380 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] [2019-10-15 01:19:45,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:45,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:45,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2019-10-15 01:19:45,147 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:45,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155618148] [2019-10-15 01:19:45,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,148 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:45,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155618148] [2019-10-15 01:19:45,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:45,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:45,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337423440] [2019-10-15 01:19:45,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:45,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:45,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:45,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:45,511 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-10-15 01:19:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:45,562 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2019-10-15 01:19:45,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:45,564 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:45,576 INFO L225 Difference]: With dead ends: 252 [2019-10-15 01:19:45,577 INFO L226 Difference]: Without dead ends: 128 [2019-10-15 01:19:45,582 INFO L600 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 [2019-10-15 01:19:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-15 01:19:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-15 01:19:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-15 01:19:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-15 01:19:45,637 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2019-10-15 01:19:45,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:45,637 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-15 01:19:45,638 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-15 01:19:45,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:45,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:45,642 INFO L380 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] [2019-10-15 01:19:45,642 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:45,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:45,643 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2019-10-15 01:19:45,643 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:45,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461412408] [2019-10-15 01:19:45,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,644 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:45,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461412408] [2019-10-15 01:19:45,745 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:45,745 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:45,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270598915] [2019-10-15 01:19:45,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:45,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:45,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:45,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:45,749 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-10-15 01:19:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:45,771 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2019-10-15 01:19:45,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:45,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:45,776 INFO L225 Difference]: With dead ends: 201 [2019-10-15 01:19:45,777 INFO L226 Difference]: Without dead ends: 119 [2019-10-15 01:19:45,780 INFO L600 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 [2019-10-15 01:19:45,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-15 01:19:45,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-15 01:19:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-15 01:19:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-15 01:19:45,807 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2019-10-15 01:19:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:45,809 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-15 01:19:45,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-15 01:19:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:19:45,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:45,815 INFO L380 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] [2019-10-15 01:19:45,816 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:45,816 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2019-10-15 01:19:45,816 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:45,817 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088957139] [2019-10-15 01:19:45,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:45,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:45,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088957139] [2019-10-15 01:19:45,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:45,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:45,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091784916] [2019-10-15 01:19:45,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:45,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:45,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:45,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:45,948 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2019-10-15 01:19:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:45,984 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2019-10-15 01:19:45,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:45,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-15 01:19:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:45,988 INFO L225 Difference]: With dead ends: 210 [2019-10-15 01:19:45,988 INFO L226 Difference]: Without dead ends: 119 [2019-10-15 01:19:45,989 INFO L600 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 [2019-10-15 01:19:45,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-15 01:19:46,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-15 01:19:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-15 01:19:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-10-15 01:19:46,014 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2019-10-15 01:19:46,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:46,015 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-10-15 01:19:46,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-10-15 01:19:46,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 01:19:46,019 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,020 INFO L380 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] [2019-10-15 01:19:46,020 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2019-10-15 01:19:46,021 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,021 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055825895] [2019-10-15 01:19:46,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:46,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055825895] [2019-10-15 01:19:46,157 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:46,157 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:46,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134304336] [2019-10-15 01:19:46,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:46,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:46,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:46,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:46,159 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2019-10-15 01:19:46,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:46,712 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2019-10-15 01:19:46,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:46,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-15 01:19:46,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:46,715 INFO L225 Difference]: With dead ends: 306 [2019-10-15 01:19:46,716 INFO L226 Difference]: Without dead ends: 215 [2019-10-15 01:19:46,717 INFO L600 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 [2019-10-15 01:19:46,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2019-10-15 01:19:46,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2019-10-15 01:19:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-15 01:19:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2019-10-15 01:19:46,741 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2019-10-15 01:19:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:46,741 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2019-10-15 01:19:46,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2019-10-15 01:19:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:19:46,743 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,744 INFO L380 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] [2019-10-15 01:19:46,744 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,744 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2019-10-15 01:19:46,745 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,745 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331001764] [2019-10-15 01:19:46,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:46,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331001764] [2019-10-15 01:19:46,902 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:46,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:46,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143501466] [2019-10-15 01:19:46,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:46,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:46,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:46,905 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 6 states. [2019-10-15 01:19:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,102 INFO L93 Difference]: Finished difference Result 517 states and 617 transitions. [2019-10-15 01:19:47,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:47,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-15 01:19:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:47,108 INFO L225 Difference]: With dead ends: 517 [2019-10-15 01:19:47,108 INFO L226 Difference]: Without dead ends: 348 [2019-10-15 01:19:47,110 INFO L600 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 [2019-10-15 01:19:47,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-10-15 01:19:47,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2019-10-15 01:19:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-10-15 01:19:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 394 transitions. [2019-10-15 01:19:47,158 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 394 transitions. Word has length 83 [2019-10-15 01:19:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:47,159 INFO L462 AbstractCegarLoop]: Abstraction has 342 states and 394 transitions. [2019-10-15 01:19:47,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 394 transitions. [2019-10-15 01:19:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:19:47,163 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,163 INFO L380 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] [2019-10-15 01:19:47,163 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1817856655, now seen corresponding path program 1 times [2019-10-15 01:19:47,164 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087120418] [2019-10-15 01:19:47,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:47,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087120418] [2019-10-15 01:19:47,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:47,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762863419] [2019-10-15 01:19:47,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:47,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:47,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:47,284 INFO L87 Difference]: Start difference. First operand 342 states and 394 transitions. Second operand 7 states. [2019-10-15 01:19:47,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,822 INFO L93 Difference]: Finished difference Result 685 states and 812 transitions. [2019-10-15 01:19:47,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:47,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-15 01:19:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:47,826 INFO L225 Difference]: With dead ends: 685 [2019-10-15 01:19:47,826 INFO L226 Difference]: Without dead ends: 371 [2019-10-15 01:19:47,829 INFO L600 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 [2019-10-15 01:19:47,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-10-15 01:19:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 341. [2019-10-15 01:19:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-15 01:19:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 391 transitions. [2019-10-15 01:19:47,878 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 391 transitions. Word has length 87 [2019-10-15 01:19:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:47,881 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 391 transitions. [2019-10-15 01:19:47,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 391 transitions. [2019-10-15 01:19:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:47,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,884 INFO L380 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] [2019-10-15 01:19:47,884 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1046149773, now seen corresponding path program 1 times [2019-10-15 01:19:47,885 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228315401] [2019-10-15 01:19:47,885 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,885 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228315401] [2019-10-15 01:19:48,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:48,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661831170] [2019-10-15 01:19:48,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:48,012 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:48,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:48,015 INFO L87 Difference]: Start difference. First operand 341 states and 391 transitions. Second operand 6 states. [2019-10-15 01:19:48,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,054 INFO L93 Difference]: Finished difference Result 664 states and 774 transitions. [2019-10-15 01:19:48,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:48,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-15 01:19:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,057 INFO L225 Difference]: With dead ends: 664 [2019-10-15 01:19:48,057 INFO L226 Difference]: Without dead ends: 351 [2019-10-15 01:19:48,059 INFO L600 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 [2019-10-15 01:19:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-15 01:19:48,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-10-15 01:19:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-15 01:19:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2019-10-15 01:19:48,087 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 88 [2019-10-15 01:19:48,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,087 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2019-10-15 01:19:48,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2019-10-15 01:19:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:48,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,095 INFO L380 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] [2019-10-15 01:19:48,095 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1747749647, now seen corresponding path program 1 times [2019-10-15 01:19:48,096 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458580493] [2019-10-15 01:19:48,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458580493] [2019-10-15 01:19:48,217 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:48,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834460005] [2019-10-15 01:19:48,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:48,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:48,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:48,218 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 8 states. [2019-10-15 01:19:48,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,262 INFO L93 Difference]: Finished difference Result 688 states and 808 transitions. [2019-10-15 01:19:48,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:48,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-10-15 01:19:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,266 INFO L225 Difference]: With dead ends: 688 [2019-10-15 01:19:48,267 INFO L226 Difference]: Without dead ends: 365 [2019-10-15 01:19:48,268 INFO L600 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 [2019-10-15 01:19:48,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-10-15 01:19:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 359. [2019-10-15 01:19:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-15 01:19:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2019-10-15 01:19:48,290 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2019-10-15 01:19:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,290 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2019-10-15 01:19:48,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2019-10-15 01:19:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:48,293 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,293 INFO L380 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] [2019-10-15 01:19:48,293 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,294 INFO L82 PathProgramCache]: Analyzing trace with hash -821736752, now seen corresponding path program 1 times [2019-10-15 01:19:48,294 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269328302] [2019-10-15 01:19:48,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,294 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269328302] [2019-10-15 01:19:48,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:48,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997973521] [2019-10-15 01:19:48,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:48,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:48,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:48,372 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2019-10-15 01:19:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,569 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2019-10-15 01:19:48,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:48,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-15 01:19:48,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,574 INFO L225 Difference]: With dead ends: 1076 [2019-10-15 01:19:48,574 INFO L226 Difference]: Without dead ends: 745 [2019-10-15 01:19:48,576 INFO L600 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 [2019-10-15 01:19:48,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-10-15 01:19:48,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2019-10-15 01:19:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-10-15 01:19:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2019-10-15 01:19:48,614 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2019-10-15 01:19:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,614 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2019-10-15 01:19:48,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2019-10-15 01:19:48,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:19:48,616 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,616 INFO L380 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] [2019-10-15 01:19:48,617 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2019-10-15 01:19:48,617 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010721076] [2019-10-15 01:19:48,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,618 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,674 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010721076] [2019-10-15 01:19:48,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,675 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:48,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968160222] [2019-10-15 01:19:48,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:48,676 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:48,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:48,677 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2019-10-15 01:19:48,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,753 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2019-10-15 01:19:48,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:48,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-15 01:19:48,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,757 INFO L225 Difference]: With dead ends: 744 [2019-10-15 01:19:48,757 INFO L226 Difference]: Without dead ends: 741 [2019-10-15 01:19:48,758 INFO L600 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 [2019-10-15 01:19:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-10-15 01:19:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2019-10-15 01:19:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-10-15 01:19:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2019-10-15 01:19:48,794 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2019-10-15 01:19:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,795 INFO L462 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2019-10-15 01:19:48,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2019-10-15 01:19:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 01:19:48,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,798 INFO L380 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] [2019-10-15 01:19:48,799 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2019-10-15 01:19:48,799 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995052826] [2019-10-15 01:19:48,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:19:48,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995052826] [2019-10-15 01:19:48,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852942496] [2019-10-15 01:19:48,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:49,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:49,419 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:19:49,945 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:49,945 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:49,945 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434980961] [2019-10-15 01:19:49,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:49,946 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:49,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:49,948 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 8 states. [2019-10-15 01:19:50,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:50,342 INFO L93 Difference]: Finished difference Result 1156 states and 1334 transitions. [2019-10-15 01:19:50,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:50,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2019-10-15 01:19:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:50,346 INFO L225 Difference]: With dead ends: 1156 [2019-10-15 01:19:50,346 INFO L226 Difference]: Without dead ends: 565 [2019-10-15 01:19:50,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2019-10-15 01:19:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 536. [2019-10-15 01:19:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-10-15 01:19:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 606 transitions. [2019-10-15 01:19:50,386 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 606 transitions. Word has length 150 [2019-10-15 01:19:50,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:50,386 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 606 transitions. [2019-10-15 01:19:50,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 606 transitions. [2019-10-15 01:19:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-15 01:19:50,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:50,389 INFO L380 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] [2019-10-15 01:19:50,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:50,594 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:50,595 INFO L82 PathProgramCache]: Analyzing trace with hash 182941043, now seen corresponding path program 1 times [2019-10-15 01:19:50,596 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:50,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405606501] [2019-10-15 01:19:50,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:50,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:50,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405606501] [2019-10-15 01:19:50,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348193933] [2019-10-15 01:19:50,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:19:50,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:51,010 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:51,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:51,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-15 01:19:51,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095618758] [2019-10-15 01:19:51,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:51,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:51,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:51,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:51,218 INFO L87 Difference]: Start difference. First operand 536 states and 606 transitions. Second operand 3 states. [2019-10-15 01:19:51,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,287 INFO L93 Difference]: Finished difference Result 861 states and 983 transitions. [2019-10-15 01:19:51,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:51,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-15 01:19:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,289 INFO L225 Difference]: With dead ends: 861 [2019-10-15 01:19:51,289 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:51,292 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:51,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:51,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:51,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-10-15 01:19:51,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,293 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:51,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:51,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:51,499 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:51,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:52,175 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-10-15 01:19:52,400 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2019-10-15 01:19:52,709 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-10-15 01:19:52,849 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-10-15 01:19:53,089 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2019-10-15 01:19:53,268 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-10-15 01:19:53,542 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-10-15 01:19:53,757 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2019-10-15 01:19:53,905 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-10-15 01:19:54,082 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2019-10-15 01:19:54,321 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2019-10-15 01:19:54,472 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 28 [2019-10-15 01:19:54,799 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2019-10-15 01:19:54,929 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-10-15 01:19:55,098 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2019-10-15 01:19:55,518 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-10-15 01:19:55,713 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-10-15 01:19:55,889 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-10-15 01:19:56,027 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 30 [2019-10-15 01:19:56,213 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2019-10-15 01:19:56,322 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2019-10-15 01:19:56,590 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2019-10-15 01:19:56,718 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-10-15 01:19:56,721 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-15 01:19:56,722 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2019-10-15 01:19:56,723 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2019-10-15 01:19:56,723 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2019-10-15 01:19:56,723 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-15 01:19:56,723 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2019-10-15 01:19:56,723 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2019-10-15 01:19:56,723 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))) [2019-10-15 01:19:56,723 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))) [2019-10-15 01:19:56,724 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))) [2019-10-15 01:19:56,724 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-10-15 01:19:56,724 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2019-10-15 01:19:56,724 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-15 01:19:56,724 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))) [2019-10-15 01:19:56,724 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2019-10-15 01:19:56,725 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))) [2019-10-15 01:19:56,725 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))) [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-15 01:19:56,725 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-15 01:19:56,726 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2019-10-15 01:19:56,727 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 786) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 793) no Hoare annotation was computed. [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2019-10-15 01:19:56,728 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))) [2019-10-15 01:19:56,728 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2019-10-15 01:19:56,729 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))) [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2019-10-15 01:19:56,729 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) .cse2) (or .cse0 (or (not (= ~methaneLevelCritical~0 0)) .cse1) .cse2))) [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2019-10-15 01:19:56,729 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-10-15 01:19:56,730 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2019-10-15 01:19:56,730 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2019-10-15 01:19:56,730 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-10-15 01:19:56,730 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 (or .cse3 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse2) (or .cse0 (or .cse4 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:56,730 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse3 .cse2) (or .cse4 (or .cse3 .cse2) .cse5) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1) .cse5) (or .cse0 .cse2)))) [2019-10-15 01:19:56,730 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-10-15 01:19:56,730 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-10-15 01:19:56,730 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse1 (or .cse4 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse2) (or .cse0 (or .cse5 .cse2) .cse3))) [2019-10-15 01:19:56,730 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-10-15 01:19:56,731 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 (or .cse5 .cse3) .cse6) (or .cse5 .cse0 (or .cse1 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse2 .cse3) .cse6))) [2019-10-15 01:19:56,731 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-10-15 01:19:56,731 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 (or .cse5 .cse3)) (or .cse5 .cse0 (or .cse1 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse2 .cse3)))) [2019-10-15 01:19:56,731 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-15 01:19:56,731 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-10-15 01:19:56,731 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))) [2019-10-15 01:19:56,731 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))) [2019-10-15 01:19:56,731 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2019-10-15 01:19:56,731 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2019-10-15 01:19:56,731 INFO L439 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse0 .cse2) (and .cse4 .cse5 .cse0) (and (and .cse5 .cse0 .cse1) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2019-10-15 01:19:56,732 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (and .cse2 .cse4) .cse5 .cse3) (and .cse0 .cse2 .cse5) (and (and .cse1 .cse2 .cse4) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2019-10-15 01:19:56,732 INFO L439 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (and .cse2 .cse4) .cse5 .cse3) (and .cse0 .cse2 .cse5) (and (and .cse1 .cse2 .cse4) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:19:56,732 INFO L439 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (and .cse2 .cse4) .cse5 .cse3) (and .cse0 .cse2 .cse5) (and (and .cse1 .cse2 .cse4) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0)))) [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2019-10-15 01:19:56,732 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 747) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~waterLevel~0 1) (not (= |old(~methAndRunningLastTime~0)| 0)) .cse2) (or .cse3 .cse4 .cse2) (or .cse1 (or .cse3 .cse2)) (or .cse0 (or .cse4 .cse2)))) [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2019-10-15 01:19:56,733 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~waterLevel~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 (not .cse5) .cse6 .cse2) (or .cse7 .cse3 .cse5 .cse4 .cse6 .cse2) (or .cse7 (or .cse1 .cse2)))) [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not .cse6)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse1 .cse2 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse3 .cse2 .cse4)))) [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not .cse6)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse1 .cse2 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse3 .cse2 .cse4)))) [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 400) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2019-10-15 01:19:56,734 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2019-10-15 01:19:56,735 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))) [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 709) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L699(lines 699 706) no Hoare annotation was computed. [2019-10-15 01:19:56,735 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2019-10-15 01:19:56,736 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2019-10-15 01:19:56,737 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2019-10-15 01:19:56,738 INFO L443 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse3 (or .cse5 .cse1 .cse2) .cse4) (or .cse0 (or .cse2 .cse6) .cse7) (or .cse6 .cse7 (or .cse5 .cse2) .cse4))) [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2019-10-15 01:19:56,739 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2019-10-15 01:19:56,740 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse12 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (let ((.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse10 (and .cse12 .cse4)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not .cse12)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (or .cse5 .cse6) .cse7) (or .cse8 .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or .cse9 .cse6)) (or .cse1 .cse5 .cse10 .cse11 .cse7 .cse6) (or .cse6 .cse8 .cse1 .cse0) (or .cse5 .cse11 .cse7 .cse9 .cse10 .cse6) (or .cse0 (and .cse2 .cse3) (or .cse5 .cse9 .cse6) .cse7)))) [2019-10-15 01:19:56,740 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 (or .cse0 .cse2) .cse3) (or .cse2 .cse5 .cse4 .cse6) (or .cse5 .cse6 (or .cse1 .cse2)))) [2019-10-15 01:19:56,740 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-15 01:19:56,740 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and (= ~pumpRunning~0 0) .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse8) (or .cse1 .cse3 .cse4 .cse9 .cse2 .cse5) (or .cse6 .cse8 (or .cse9 .cse5)) (or .cse10 (or .cse1 .cse9 .cse5) .cse4) (or .cse0 .cse10 (or .cse1 .cse5) .cse4)))) [2019-10-15 01:19:56,740 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-15 01:19:56,740 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-15 01:19:56,741 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse5 .cse6 .cse0 .cse7) (or .cse1 .cse3 .cse4 .cse8 (and .cse2 .cse9) .cse5) (or .cse10 (or .cse1 .cse8 .cse5) .cse4) (or .cse6 .cse7 (or .cse8 .cse5)) (or .cse0 (and .cse10 .cse9) (or .cse1 .cse5) .cse4))) [2019-10-15 01:19:56,741 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-15 01:19:56,741 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-15 01:19:56,741 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-15 01:19:56,741 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 01:19:56,741 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-15 01:19:56,741 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-15 01:19:56,741 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 01:19:56,741 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-15 01:19:56,742 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-15 01:19:56,742 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-15 01:19:56,742 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2019-10-15 01:19:56,742 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2019-10-15 01:19:56,742 INFO L443 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2019-10-15 01:19:56,742 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-15 01:19:56,742 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-15 01:19:56,742 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,742 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)) [2019-10-15 01:19:56,743 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:56,743 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:56,743 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:56,743 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (or .cse1 .cse3 .cse2)) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse3 .cse2)))) [2019-10-15 01:19:56,743 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-10-15 01:19:56,743 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2019-10-15 01:19:56,744 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3)))) [2019-10-15 01:19:56,744 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-15 01:19:56,744 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-10-15 01:19:56,744 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:56,744 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-10-15 01:19:56,744 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse1 .cse3) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3)))) [2019-10-15 01:19:56,744 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2019-10-15 01:19:56,744 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse3 .cse1 .cse2 .cse4))) [2019-10-15 01:19:56,745 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2019-10-15 01:19:56,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2019-10-15 01:19:56,745 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2019-10-15 01:19:56,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2019-10-15 01:19:56,745 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2019-10-15 01:19:56,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:56 BoogieIcfgContainer [2019-10-15 01:19:56,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:56,762 INFO L168 Benchmark]: Toolchain (without parser) took 13588.16 ms. Allocated memory was 145.8 MB in the beginning and 418.9 MB in the end (delta: 273.2 MB). Free memory was 101.4 MB in the beginning and 322.0 MB in the end (delta: -220.6 MB). Peak memory consumption was 286.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,762 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.83 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 173.7 MB in the end (delta: -72.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,764 INFO L168 Benchmark]: Boogie Preprocessor took 86.91 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,765 INFO L168 Benchmark]: RCFGBuilder took 1115.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 200.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,766 INFO L168 Benchmark]: TraceAbstraction took 11743.68 ms. Allocated memory was 235.9 MB in the beginning and 418.9 MB in the end (delta: 183.0 MB). Free memory was 200.1 MB in the beginning and 322.0 MB in the end (delta: -121.9 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:56,770 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.83 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 173.7 MB in the end (delta: -72.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.91 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 200.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11743.68 ms. Allocated memory was 235.9 MB in the beginning and 418.9 MB in the end (delta: 183.0 MB). Free memory was 200.1 MB in the beginning and 322.0 MB in the end (delta: -121.9 MB). Peak memory consumption was 294.7 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 == \old(pumpRunning)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((0 == splverifierCounter && pumpRunning == 0) && 1 <= methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((1 <= pumpRunning && 0 == splverifierCounter) && 1 <= methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\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. Result: SAFE, OverallTime: 11.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, HoareTripleCheckerStatistics: 1924 SDtfs, 925 SDslu, 3659 SDs, 0 SdLazy, 1082 SolverSat, 221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 709 GetRequests, 633 SyntacticMatches, 7 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 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 DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 473 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1318 PreInvPairs, 1369 NumberOfFragments, 2300 HoareAnnotationTreeSize, 1318 FomulaSimplifications, 4680 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7514 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1638 ConstructedInterpolants, 0 QuantifiedInterpolants, 306572 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1804 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 269/285 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...