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_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:37,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:37,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:37,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:37,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:37,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:37,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:37,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:37,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:37,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:37,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:37,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:37,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:37,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:37,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:37,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:37,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:37,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:37,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:37,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:37,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:37,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:37,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:37,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:37,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:37,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:37,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:37,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:37,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:37,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:37,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:37,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:37,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:37,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:37,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:37,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:37,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:37,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:37,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:37,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:37,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:37,951 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 [2019-10-13 21:22:37,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:37,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:37,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:37,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:37,979 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:37,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:37,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:37,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:37,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:37,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:37,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:37,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:37,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:37,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:37,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:37,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:37,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:37,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:37,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:37,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:37,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:37,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:37,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:37,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:37,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:37,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:37,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:37,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:37,985 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 [2019-10-13 21:22:38,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:38,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:38,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:38,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:38,296 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:38,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-10-13 21:22:38,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd3bc474/efa885c8bc154d979cf7ef50d1eadc67/FLAGb3c7edb3e [2019-10-13 21:22:38,935 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:38,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-10-13 21:22:38,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd3bc474/efa885c8bc154d979cf7ef50d1eadc67/FLAGb3c7edb3e [2019-10-13 21:22:39,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd3bc474/efa885c8bc154d979cf7ef50d1eadc67 [2019-10-13 21:22:39,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:39,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:39,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:39,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:39,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:39,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,240 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:39,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:39,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:39,790 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:39,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:39,905 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:39,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39 WrapperNode [2019-10-13 21:22:39,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:39,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:39,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:39,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:39,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:39,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:39,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:39,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:39,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (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 [2019-10-13 21:22:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:41,221 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:41,222 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:41 BoogieIcfgContainer [2019-10-13 21:22:41,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:41,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:41,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:41,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:41,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:39" (1/3) ... [2019-10-13 21:22:41,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211abca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (2/3) ... [2019-10-13 21:22:41,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211abca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:41" (3/3) ... [2019-10-13 21:22:41,232 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2019-10-13 21:22:41,242 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:41,251 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:41,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:41,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:41,291 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:41,291 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:41,291 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:41,291 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:41,291 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:41,292 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:41,292 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-10-13 21:22:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:41,331 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,332 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:41,335 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2019-10-13 21:22:41,352 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,352 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421067196] [2019-10-13 21:22:41,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,748 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421067196] [2019-10-13 21:22:41,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:41,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176330807] [2019-10-13 21:22:41,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:41,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:41,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:41,782 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-10-13 21:22:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,845 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2019-10-13 21:22:41,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:41,847 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:41,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,860 INFO L225 Difference]: With dead ends: 280 [2019-10-13 21:22:41,860 INFO L226 Difference]: Without dead ends: 142 [2019-10-13 21:22:41,865 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 [2019-10-13 21:22:41,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-13 21:22:41,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-10-13 21:22:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-13 21:22:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2019-10-13 21:22:41,927 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2019-10-13 21:22:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,928 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2019-10-13 21:22:41,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2019-10-13 21:22:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:41,937 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,938 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:41,938 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1068721091, now seen corresponding path program 1 times [2019-10-13 21:22:41,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467102302] [2019-10-13 21:22:41,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467102302] [2019-10-13 21:22:42,143 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:42,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797591538] [2019-10-13 21:22:42,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:42,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:42,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:42,146 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2019-10-13 21:22:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,194 INFO L93 Difference]: Finished difference Result 223 states and 261 transitions. [2019-10-13 21:22:42,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:42,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:42,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,202 INFO L225 Difference]: With dead ends: 223 [2019-10-13 21:22:42,202 INFO L226 Difference]: Without dead ends: 133 [2019-10-13 21:22:42,204 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 [2019-10-13 21:22:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-13 21:22:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-13 21:22:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-13 21:22:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2019-10-13 21:22:42,220 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2019-10-13 21:22:42,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,220 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2019-10-13 21:22:42,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2019-10-13 21:22:42,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:42,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,224 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:42,224 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2019-10-13 21:22:42,225 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396948714] [2019-10-13 21:22:42,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396948714] [2019-10-13 21:22:42,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:42,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397338498] [2019-10-13 21:22:42,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:42,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:42,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:42,420 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states. [2019-10-13 21:22:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,941 INFO L93 Difference]: Finished difference Result 399 states and 483 transitions. [2019-10-13 21:22:42,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:42,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,947 INFO L225 Difference]: With dead ends: 399 [2019-10-13 21:22:42,947 INFO L226 Difference]: Without dead ends: 294 [2019-10-13 21:22:42,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:42,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-13 21:22:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 286. [2019-10-13 21:22:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2019-10-13 21:22:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 346 transitions. [2019-10-13 21:22:42,992 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 346 transitions. Word has length 64 [2019-10-13 21:22:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,992 INFO L462 AbstractCegarLoop]: Abstraction has 286 states and 346 transitions. [2019-10-13 21:22:42,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 346 transitions. [2019-10-13 21:22:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:42,999 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,000 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:43,000 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,000 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2019-10-13 21:22:43,001 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,001 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792668076] [2019-10-13 21:22:43,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:43,163 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792668076] [2019-10-13 21:22:43,164 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,164 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:43,164 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986522047] [2019-10-13 21:22:43,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:43,165 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:43,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:43,166 INFO L87 Difference]: Start difference. First operand 286 states and 346 transitions. Second operand 7 states. [2019-10-13 21:22:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:43,930 INFO L93 Difference]: Finished difference Result 723 states and 942 transitions. [2019-10-13 21:22:43,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:43,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:43,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:43,936 INFO L225 Difference]: With dead ends: 723 [2019-10-13 21:22:43,936 INFO L226 Difference]: Without dead ends: 465 [2019-10-13 21:22:43,939 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:43,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-13 21:22:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 412. [2019-10-13 21:22:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-13 21:22:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 497 transitions. [2019-10-13 21:22:43,994 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 497 transitions. Word has length 70 [2019-10-13 21:22:43,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,995 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 497 transitions. [2019-10-13 21:22:43,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 497 transitions. [2019-10-13 21:22:43,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:43,997 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,999 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:43,999 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2019-10-13 21:22:44,000 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229082957] [2019-10-13 21:22:44,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229082957] [2019-10-13 21:22:44,138 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:44,139 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832820142] [2019-10-13 21:22:44,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:44,141 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:44,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:44,142 INFO L87 Difference]: Start difference. First operand 412 states and 497 transitions. Second operand 4 states. [2019-10-13 21:22:44,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,472 INFO L93 Difference]: Finished difference Result 1482 states and 1906 transitions. [2019-10-13 21:22:44,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:44,473 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-10-13 21:22:44,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,482 INFO L225 Difference]: With dead ends: 1482 [2019-10-13 21:22:44,482 INFO L226 Difference]: Without dead ends: 1098 [2019-10-13 21:22:44,484 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-10-13 21:22:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1072. [2019-10-13 21:22:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-10-13 21:22:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1347 transitions. [2019-10-13 21:22:44,567 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1347 transitions. Word has length 92 [2019-10-13 21:22:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,568 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1347 transitions. [2019-10-13 21:22:44,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:44,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1347 transitions. [2019-10-13 21:22:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:44,570 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,571 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:44,571 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2019-10-13 21:22:44,572 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500940102] [2019-10-13 21:22:44,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500940102] [2019-10-13 21:22:44,678 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,678 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:44,679 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821732469] [2019-10-13 21:22:44,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:44,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:44,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:44,681 INFO L87 Difference]: Start difference. First operand 1072 states and 1347 transitions. Second operand 6 states. [2019-10-13 21:22:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,758 INFO L93 Difference]: Finished difference Result 2146 states and 2756 transitions. [2019-10-13 21:22:44,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:44,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-10-13 21:22:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,768 INFO L225 Difference]: With dead ends: 2146 [2019-10-13 21:22:44,768 INFO L226 Difference]: Without dead ends: 1102 [2019-10-13 21:22:44,772 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 [2019-10-13 21:22:44,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2019-10-13 21:22:44,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2019-10-13 21:22:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2019-10-13 21:22:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1379 transitions. [2019-10-13 21:22:44,844 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1379 transitions. Word has length 92 [2019-10-13 21:22:44,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,845 INFO L462 AbstractCegarLoop]: Abstraction has 1102 states and 1379 transitions. [2019-10-13 21:22:44,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1379 transitions. [2019-10-13 21:22:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:44,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,848 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:44,848 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,848 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2019-10-13 21:22:44,849 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738475586] [2019-10-13 21:22:44,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738475586] [2019-10-13 21:22:44,943 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:44,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213272541] [2019-10-13 21:22:44,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:44,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:44,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:44,946 INFO L87 Difference]: Start difference. First operand 1102 states and 1379 transitions. Second operand 8 states. [2019-10-13 21:22:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,021 INFO L93 Difference]: Finished difference Result 2037 states and 2619 transitions. [2019-10-13 21:22:45,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:45,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-13 21:22:45,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,028 INFO L225 Difference]: With dead ends: 2037 [2019-10-13 21:22:45,028 INFO L226 Difference]: Without dead ends: 963 [2019-10-13 21:22:45,032 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 [2019-10-13 21:22:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-10-13 21:22:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2019-10-13 21:22:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-10-13 21:22:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1182 transitions. [2019-10-13 21:22:45,099 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1182 transitions. Word has length 92 [2019-10-13 21:22:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,099 INFO L462 AbstractCegarLoop]: Abstraction has 963 states and 1182 transitions. [2019-10-13 21:22:45,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1182 transitions. [2019-10-13 21:22:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:22:45,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,104 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:22:45,104 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,105 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2019-10-13 21:22:45,113 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752313929] [2019-10-13 21:22:45,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:45,289 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752313929] [2019-10-13 21:22:45,289 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:45,289 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:45,289 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185510487] [2019-10-13 21:22:45,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:45,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:45,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:45,291 INFO L87 Difference]: Start difference. First operand 963 states and 1182 transitions. Second operand 9 states. [2019-10-13 21:22:46,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,582 INFO L93 Difference]: Finished difference Result 2626 states and 3384 transitions. [2019-10-13 21:22:46,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:46,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-10-13 21:22:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,597 INFO L225 Difference]: With dead ends: 2626 [2019-10-13 21:22:46,597 INFO L226 Difference]: Without dead ends: 1873 [2019-10-13 21:22:46,603 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:46,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2019-10-13 21:22:46,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1648. [2019-10-13 21:22:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-10-13 21:22:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1993 transitions. [2019-10-13 21:22:46,757 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1993 transitions. Word has length 96 [2019-10-13 21:22:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,757 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 1993 transitions. [2019-10-13 21:22:46,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1993 transitions. [2019-10-13 21:22:46,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:22:46,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,762 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, 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, 1] [2019-10-13 21:22:46,762 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,763 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2019-10-13 21:22:46,763 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933118040] [2019-10-13 21:22:46,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:46,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933118040] [2019-10-13 21:22:46,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128401815] [2019-10-13 21:22:46,964 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 [2019-10-13 21:22:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:47,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:47,553 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:47,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [944715633] [2019-10-13 21:22:47,936 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 156 [2019-10-13 21:22:47,985 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:47,986 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:48,072 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:48,074 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:48,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,080 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:48,135 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:48,136 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:48,140 INFO L553 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2019-10-13 21:22:48,140 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:48,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:48,141 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:48,141 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395047895] [2019-10-13 21:22:48,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:48,143 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:48,143 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:48,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:48,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:48,143 INFO L87 Difference]: Start difference. First operand 1648 states and 1993 transitions. Second operand 2 states. [2019-10-13 21:22:48,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,170 INFO L93 Difference]: Finished difference Result 1648 states and 1993 transitions. [2019-10-13 21:22:48,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:48,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-10-13 21:22:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,171 INFO L225 Difference]: With dead ends: 1648 [2019-10-13 21:22:48,171 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:48,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:48,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:22:48,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,177 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:48,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:48,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:48,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:48,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:48,896 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 600) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point L612(lines 589 613) no Hoare annotation was computed. [2019-10-13 21:22:48,897 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L673(lines 646 674) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2019-10-13 21:22:48,898 INFO L443 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2019-10-13 21:22:48,899 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2019-10-13 21:22:48,899 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 21:22:48,899 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 21:22:48,899 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:22:48,899 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 21:22:48,899 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:22:48,899 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: true [2019-10-13 21:22:48,900 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2019-10-13 21:22:48,900 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2019-10-13 21:22:48,900 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: true [2019-10-13 21:22:48,900 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-13 21:22:48,900 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2019-10-13 21:22:48,900 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2019-10-13 21:22:48,900 INFO L446 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: true [2019-10-13 21:22:48,900 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 505) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L446 ceAbstractionStarter]: At program point L493(line 493) the Hoare annotation is: true [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point L493-1(line 493) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 508) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L443 ceAbstractionStarter]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2019-10-13 21:22:48,901 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-10-13 21:22:48,902 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-10-13 21:22:48,902 INFO L446 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: true [2019-10-13 21:22:48,902 INFO L446 ceAbstractionStarter]: At program point L384-1(line 384) the Hoare annotation is: true [2019-10-13 21:22:48,902 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 389) no Hoare annotation was computed. [2019-10-13 21:22:48,902 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 372 394) the Hoare annotation is: true [2019-10-13 21:22:48,902 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2019-10-13 21:22:48,902 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-13 21:22:48,902 INFO L446 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: true [2019-10-13 21:22:48,903 INFO L446 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: true [2019-10-13 21:22:48,903 INFO L446 ceAbstractionStarter]: At program point L378-1(line 378) the Hoare annotation is: true [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2019-10-13 21:22:48,903 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L345(line 345) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L343(line 343) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L339(line 339) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-13 21:22:48,904 INFO L443 ceAbstractionStarter]: For program point L337(line 337) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point L335(line 335) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point L334(line 334) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 289) no Hoare annotation was computed. [2019-10-13 21:22:48,905 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: true [2019-10-13 21:22:48,905 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 251) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2019-10-13 21:22:48,906 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 239) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2019-10-13 21:22:48,907 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 859) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 866) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: true [2019-10-13 21:22:48,908 INFO L446 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2019-10-13 21:22:48,908 INFO L446 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: true [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: true [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2019-10-13 21:22:48,909 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2019-10-13 21:22:48,910 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 968) no Hoare annotation was computed. [2019-10-13 21:22:48,910 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2019-10-13 21:22:48,910 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2019-10-13 21:22:48,910 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-13 21:22:48,910 INFO L443 ceAbstractionStarter]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2019-10-13 21:22:48,910 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: true [2019-10-13 21:22:48,910 INFO L446 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: true [2019-10-13 21:22:48,910 INFO L446 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: true [2019-10-13 21:22:48,910 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 179) no Hoare annotation was computed. [2019-10-13 21:22:48,911 INFO L446 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: true [2019-10-13 21:22:48,911 INFO L443 ceAbstractionStarter]: For program point L169-1(line 169) no Hoare annotation was computed. [2019-10-13 21:22:48,911 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 184) no Hoare annotation was computed. [2019-10-13 21:22:48,911 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2019-10-13 21:22:48,911 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2019-10-13 21:22:48,911 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 396 461) the Hoare annotation is: true [2019-10-13 21:22:48,911 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-10-13 21:22:48,911 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 448) no Hoare annotation was computed. [2019-10-13 21:22:48,911 INFO L446 ceAbstractionStarter]: At program point L442-1(lines 436 449) the Hoare annotation is: true [2019-10-13 21:22:48,912 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 453) no Hoare annotation was computed. [2019-10-13 21:22:48,912 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2019-10-13 21:22:48,912 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 449) no Hoare annotation was computed. [2019-10-13 21:22:48,912 INFO L446 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2019-10-13 21:22:48,912 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 432) no Hoare annotation was computed. [2019-10-13 21:22:48,912 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2019-10-13 21:22:48,912 INFO L446 ceAbstractionStarter]: At program point L451(lines 406 453) the Hoare annotation is: true [2019-10-13 21:22:48,912 INFO L446 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: true [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L446 ceAbstractionStarter]: At program point L454(lines 405 455) the Hoare annotation is: true [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 820) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2019-10-13 21:22:48,913 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:48,914 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L733(lines 732 752) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 770) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-13 21:22:48,915 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 782) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L753(lines 731 754) no Hoare annotation was computed. [2019-10-13 21:22:48,916 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 728) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L443 ceAbstractionStarter]: For program point L772(lines 772 779) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:48,917 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2019-10-13 21:22:48,917 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 188 195) the Hoare annotation is: true [2019-10-13 21:22:48,918 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2019-10-13 21:22:48,918 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 273) no Hoare annotation was computed. [2019-10-13 21:22:48,918 INFO L446 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2019-10-13 21:22:48,918 INFO L443 ceAbstractionStarter]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2019-10-13 21:22:48,918 INFO L443 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2019-10-13 21:22:48,918 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2019-10-13 21:22:48,918 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2019-10-13 21:22:48,918 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: true [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,920 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2019-10-13 21:22:48,920 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2019-10-13 21:22:48,920 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2019-10-13 21:22:48,920 INFO L446 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: true [2019-10-13 21:22:48,920 INFO L446 ceAbstractionStarter]: At program point L116(lines 116 122) the Hoare annotation is: true [2019-10-13 21:22:48,920 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: true [2019-10-13 21:22:48,920 INFO L446 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: true [2019-10-13 21:22:48,920 INFO L443 ceAbstractionStarter]: For program point L109(lines 105 127) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point L107(lines 105 127) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L446 ceAbstractionStarter]: At program point L321(lines 296 325) the Hoare annotation is: true [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2019-10-13 21:22:48,921 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-10-13 21:22:48,921 INFO L446 ceAbstractionStarter]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2019-10-13 21:22:48,922 INFO L443 ceAbstractionStarter]: For program point L307(line 307) no Hoare annotation was computed. [2019-10-13 21:22:48,922 INFO L446 ceAbstractionStarter]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2019-10-13 21:22:48,922 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-10-13 21:22:48,922 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-10-13 21:22:48,922 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: true [2019-10-13 21:22:48,922 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2019-10-13 21:22:48,922 INFO L443 ceAbstractionStarter]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2019-10-13 21:22:48,922 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2019-10-13 21:22:48,923 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2019-10-13 21:22:48,923 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,923 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:48,923 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:48,923 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:48,923 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: true [2019-10-13 21:22:48,923 INFO L446 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: true [2019-10-13 21:22:48,923 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L446 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: true [2019-10-13 21:22:48,924 INFO L446 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: true [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point L145(lines 145 153) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point L143-1(line 143) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 158) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2019-10-13 21:22:48,924 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2019-10-13 21:22:48,925 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: true [2019-10-13 21:22:48,925 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:48,925 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:48,925 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:48,925 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:48,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:48 BoogieIcfgContainer [2019-10-13 21:22:48,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:48,936 INFO L168 Benchmark]: Toolchain (without parser) took 9709.89 ms. Allocated memory was 145.8 MB in the beginning and 367.0 MB in the end (delta: 221.2 MB). Free memory was 101.2 MB in the beginning and 286.3 MB in the end (delta: -185.1 MB). Peak memory consumption was 191.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,937 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.78 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.0 MB in the beginning and 171.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,938 INFO L168 Benchmark]: Boogie Preprocessor took 90.52 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,939 INFO L168 Benchmark]: RCFGBuilder took 1226.08 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 196.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,940 INFO L168 Benchmark]: TraceAbstraction took 7708.87 ms. Allocated memory was 236.5 MB in the beginning and 367.0 MB in the end (delta: 130.5 MB). Free memory was 196.2 MB in the beginning and 286.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:48,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.78 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.0 MB in the beginning and 171.5 MB in the end (delta: -70.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.52 ms. Allocated memory is still 203.9 MB. Free memory was 171.5 MB in the beginning and 166.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1226.08 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 196.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7708.87 ms. Allocated memory was 236.5 MB in the beginning and 367.0 MB in the end (delta: 130.5 MB). Free memory was 196.2 MB in the beginning and 286.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1497 SDtfs, 1138 SDslu, 3347 SDs, 0 SdLazy, 1613 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1648occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 312 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2195 PreInvPairs, 2196 NumberOfFragments, 74 HoareAnnotationTreeSize, 2195 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 935 NumberOfCodeBlocks, 935 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1079 ConstructedInterpolants, 0 QuantifiedInterpolants, 210000 SizeOfPredicates, 4 NumberOfNonLiveVariables, 923 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 121/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 145, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8311688311688312, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...