java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:24:31,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:24:31,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:24:31,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:24:31,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:24:31,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:24:31,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:24:31,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:24:31,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:24:31,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:24:31,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:24:31,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:24:31,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:24:31,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:24:31,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:24:31,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:24:31,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:24:31,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:24:31,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:24:31,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:24:31,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:24:31,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:24:31,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:24:31,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:24:31,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:24:31,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:24:31,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:24:31,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:24:31,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:24:31,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:24:31,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:24:31,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:24:31,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:24:31,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:24:31,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:24:31,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:24:31,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:24:31,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:24:31,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:24:31,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:24:31,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:24:31,190 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 [2019-10-02 14:24:31,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:24:31,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:24:31,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:24:31,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:24:31,207 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:24:31,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:24:31,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:24:31,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:24:31,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:24:31,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:24:31,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:24:31,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:24:31,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:24:31,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:24:31,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:24:31,209 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:24:31,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:24:31,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:24:31,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:24:31,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:24:31,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:24:31,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:24:31,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:24:31,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:24:31,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:24:31,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:24:31,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:24:31,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:24:31,270 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:24:31,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-10-02 14:24:31,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02e3f37/4a2dbedbdd1c4fcb8ed35fe68dfe7b4e/FLAG54942e1b2 [2019-10-02 14:24:31,892 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:24:31,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-10-02 14:24:31,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02e3f37/4a2dbedbdd1c4fcb8ed35fe68dfe7b4e/FLAG54942e1b2 [2019-10-02 14:24:32,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a02e3f37/4a2dbedbdd1c4fcb8ed35fe68dfe7b4e [2019-10-02 14:24:32,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:24:32,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:24:32,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:32,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:24:32,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:24:32,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73855587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32, skipping insertion in model container [2019-10-02 14:24:32,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,196 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:24:32,238 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:24:32,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:32,681 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:24:32,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:32,831 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:24:32,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32 WrapperNode [2019-10-02 14:24:32,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:32,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:24:32,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:24:32,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:24:32,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (1/1) ... [2019-10-02 14:24:32,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:24:32,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:24:32,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:24:32,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:24:32,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (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 [2019-10-02 14:24:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:24:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:24:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:24:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:24:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:24:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:24:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:24:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:24:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:24:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:24:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:24:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:24:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:24:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:24:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:24:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:24:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:24:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:24:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:24:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:24:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:24:33,066 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:24:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:24:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:24:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:24:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:24:33,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:24:33,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:24:33,069 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:24:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:24:33,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:24:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:24:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:24:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:24:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:24:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:24:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:24:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:24:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:24:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:24:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:24:33,074 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:24:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:24:33,075 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:24:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:24:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:24:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:24:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:24:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:24:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:24:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:24:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:24:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:24:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:24:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:24:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:24:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:33,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:24:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:24:33,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:24:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:24:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:24:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:24:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:24:33,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:24:34,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:24:34,349 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:24:34,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:34 BoogieIcfgContainer [2019-10-02 14:24:34,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:24:34,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:24:34,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:24:34,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:24:34,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:24:32" (1/3) ... [2019-10-02 14:24:34,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb4331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:34, skipping insertion in model container [2019-10-02 14:24:34,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:32" (2/3) ... [2019-10-02 14:24:34,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcb4331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:34, skipping insertion in model container [2019-10-02 14:24:34,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:34" (3/3) ... [2019-10-02 14:24:34,361 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-10-02 14:24:34,372 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:24:34,384 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:24:34,400 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:24:34,439 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:24:34,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:24:34,439 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:24:34,439 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:24:34,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:24:34,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:24:34,440 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:24:34,440 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:24:34,440 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:24:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-02 14:24:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:24:34,473 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:34,474 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:34,476 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:34,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:34,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1513268006, now seen corresponding path program 1 times [2019-10-02 14:24:34,484 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:34,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:34,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:34,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:34,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:34,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:34,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:24:34,852 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:24:34,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:24:34,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:34,881 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-02 14:24:34,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:34,925 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-10-02 14:24:34,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:24:34,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:24:34,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:34,941 INFO L225 Difference]: With dead ends: 300 [2019-10-02 14:24:34,941 INFO L226 Difference]: Without dead ends: 150 [2019-10-02 14:24:34,946 INFO L640 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 [2019-10-02 14:24:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-02 14:24:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-02 14:24:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-02 14:24:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-02 14:24:35,009 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-10-02 14:24:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:35,010 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-02 14:24:35,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:24:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-02 14:24:35,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:24:35,014 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:35,015 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:35,015 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1135126254, now seen corresponding path program 1 times [2019-10-02 14:24:35,016 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:35,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:35,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:35,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:35,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:35,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:24:35,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:24:35,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:24:35,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:35,127 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-10-02 14:24:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:35,173 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2019-10-02 14:24:35,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:24:35,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:24:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:35,178 INFO L225 Difference]: With dead ends: 245 [2019-10-02 14:24:35,178 INFO L226 Difference]: Without dead ends: 141 [2019-10-02 14:24:35,180 INFO L640 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 [2019-10-02 14:24:35,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-02 14:24:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-02 14:24:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-02 14:24:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-10-02 14:24:35,197 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-10-02 14:24:35,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:35,197 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-10-02 14:24:35,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:24:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-10-02 14:24:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 14:24:35,200 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:35,200 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:35,200 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:35,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:35,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1031816634, now seen corresponding path program 1 times [2019-10-02 14:24:35,201 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:35,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:35,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:35,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:35,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:35,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:24:35,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:24:35,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:24:35,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:24:35,394 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-10-02 14:24:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:35,777 INFO L93 Difference]: Finished difference Result 258 states and 305 transitions. [2019-10-02 14:24:35,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:24:35,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-02 14:24:35,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:35,780 INFO L225 Difference]: With dead ends: 258 [2019-10-02 14:24:35,780 INFO L226 Difference]: Without dead ends: 141 [2019-10-02 14:24:35,782 INFO L640 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 [2019-10-02 14:24:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-02 14:24:35,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-02 14:24:35,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-02 14:24:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2019-10-02 14:24:35,806 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 52 [2019-10-02 14:24:35,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:35,808 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2019-10-02 14:24:35,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:24:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2019-10-02 14:24:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-02 14:24:35,812 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:35,812 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:35,818 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:35,818 INFO L82 PathProgramCache]: Analyzing trace with hash 276958236, now seen corresponding path program 1 times [2019-10-02 14:24:35,819 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:35,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:35,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:35,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:36,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:36,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:24:36,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:24:36,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:24:36,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:24:36,014 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 5 states. [2019-10-02 14:24:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:36,540 INFO L93 Difference]: Finished difference Result 365 states and 439 transitions. [2019-10-02 14:24:36,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:24:36,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-02 14:24:36,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:36,545 INFO L225 Difference]: With dead ends: 365 [2019-10-02 14:24:36,545 INFO L226 Difference]: Without dead ends: 248 [2019-10-02 14:24:36,547 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:24:36,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-02 14:24:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2019-10-02 14:24:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-10-02 14:24:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 258 transitions. [2019-10-02 14:24:36,578 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 258 transitions. Word has length 70 [2019-10-02 14:24:36,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:36,579 INFO L475 AbstractCegarLoop]: Abstraction has 229 states and 258 transitions. [2019-10-02 14:24:36,579 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:24:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 258 transitions. [2019-10-02 14:24:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-02 14:24:36,582 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:36,582 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:36,582 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:36,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1283615481, now seen corresponding path program 1 times [2019-10-02 14:24:36,583 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:36,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:36,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:36,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:36,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:36,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:36,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:24:36,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:24:36,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:24:36,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:36,747 INFO L87 Difference]: Start difference. First operand 229 states and 258 transitions. Second operand 10 states. [2019-10-02 14:24:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:37,424 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2019-10-02 14:24:37,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 14:24:37,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-10-02 14:24:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:37,431 INFO L225 Difference]: With dead ends: 735 [2019-10-02 14:24:37,431 INFO L226 Difference]: Without dead ends: 530 [2019-10-02 14:24:37,433 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-02 14:24:37,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 520. [2019-10-02 14:24:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-02 14:24:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 606 transitions. [2019-10-02 14:24:37,481 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 606 transitions. Word has length 84 [2019-10-02 14:24:37,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:37,481 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 606 transitions. [2019-10-02 14:24:37,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:24:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 606 transitions. [2019-10-02 14:24:37,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-02 14:24:37,487 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:37,487 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1] [2019-10-02 14:24:37,488 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:37,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:37,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1748908207, now seen corresponding path program 1 times [2019-10-02 14:24:37,488 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:37,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:37,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:37,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:37,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 14:24:37,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:37,581 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:37,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:37,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 14:24:37,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 14:24:38,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:24:38,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2019-10-02 14:24:38,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 14:24:38,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 14:24:38,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:24:38,050 INFO L87 Difference]: Start difference. First operand 520 states and 606 transitions. Second operand 14 states. [2019-10-02 14:24:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:40,734 INFO L93 Difference]: Finished difference Result 1456 states and 2078 transitions. [2019-10-02 14:24:40,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-02 14:24:40,735 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 137 [2019-10-02 14:24:40,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:40,743 INFO L225 Difference]: With dead ends: 1456 [2019-10-02 14:24:40,743 INFO L226 Difference]: Without dead ends: 960 [2019-10-02 14:24:40,747 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2019-10-02 14:24:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-10-02 14:24:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 671. [2019-10-02 14:24:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-10-02 14:24:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 792 transitions. [2019-10-02 14:24:40,831 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 792 transitions. Word has length 137 [2019-10-02 14:24:40,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,832 INFO L475 AbstractCegarLoop]: Abstraction has 671 states and 792 transitions. [2019-10-02 14:24:40,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 14:24:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 792 transitions. [2019-10-02 14:24:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-02 14:24:40,839 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,840 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:40,840 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,841 INFO L82 PathProgramCache]: Analyzing trace with hash -168293549, now seen corresponding path program 1 times [2019-10-02 14:24:40,841 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,841 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 14:24:40,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:40,992 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:41,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:41,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:24:41,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-02 14:24:41,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:41,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:24:41,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:24:41,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:24:41,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:41,251 INFO L87 Difference]: Start difference. First operand 671 states and 792 transitions. Second operand 11 states. [2019-10-02 14:24:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:41,318 INFO L93 Difference]: Finished difference Result 1208 states and 1464 transitions. [2019-10-02 14:24:41,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:24:41,319 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2019-10-02 14:24:41,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:41,324 INFO L225 Difference]: With dead ends: 1208 [2019-10-02 14:24:41,324 INFO L226 Difference]: Without dead ends: 561 [2019-10-02 14:24:41,326 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-10-02 14:24:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2019-10-02 14:24:41,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2019-10-02 14:24:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 662 transitions. [2019-10-02 14:24:41,366 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 662 transitions. Word has length 133 [2019-10-02 14:24:41,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:41,366 INFO L475 AbstractCegarLoop]: Abstraction has 561 states and 662 transitions. [2019-10-02 14:24:41,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:24:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 662 transitions. [2019-10-02 14:24:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-02 14:24:41,370 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:41,370 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:41,371 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:41,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:41,371 INFO L82 PathProgramCache]: Analyzing trace with hash -65352636, now seen corresponding path program 1 times [2019-10-02 14:24:41,371 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:41,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:41,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:41,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:41,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-02 14:24:41,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:41,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:24:41,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:24:41,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:24:41,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:24:41,542 INFO L87 Difference]: Start difference. First operand 561 states and 662 transitions. Second operand 9 states. [2019-10-02 14:24:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:42,560 INFO L93 Difference]: Finished difference Result 1510 states and 1823 transitions. [2019-10-02 14:24:42,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 14:24:42,560 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2019-10-02 14:24:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:42,569 INFO L225 Difference]: With dead ends: 1510 [2019-10-02 14:24:42,569 INFO L226 Difference]: Without dead ends: 973 [2019-10-02 14:24:42,573 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2019-10-02 14:24:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 970. [2019-10-02 14:24:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2019-10-02 14:24:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1134 transitions. [2019-10-02 14:24:42,649 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1134 transitions. Word has length 207 [2019-10-02 14:24:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:42,654 INFO L475 AbstractCegarLoop]: Abstraction has 970 states and 1134 transitions. [2019-10-02 14:24:42,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:24:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1134 transitions. [2019-10-02 14:24:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-02 14:24:42,661 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:42,661 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:42,661 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:42,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:42,662 INFO L82 PathProgramCache]: Analyzing trace with hash 765331040, now seen corresponding path program 1 times [2019-10-02 14:24:42,662 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:42,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:42,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:42,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-10-02 14:24:42,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:42,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:24:42,815 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:24:42,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:24:42,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:24:42,815 INFO L87 Difference]: Start difference. First operand 970 states and 1134 transitions. Second operand 6 states. [2019-10-02 14:24:43,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:43,049 INFO L93 Difference]: Finished difference Result 979 states and 1147 transitions. [2019-10-02 14:24:43,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:24:43,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2019-10-02 14:24:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:43,057 INFO L225 Difference]: With dead ends: 979 [2019-10-02 14:24:43,057 INFO L226 Difference]: Without dead ends: 976 [2019-10-02 14:24:43,059 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:24:43,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2019-10-02 14:24:43,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 970. [2019-10-02 14:24:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2019-10-02 14:24:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1132 transitions. [2019-10-02 14:24:43,128 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1132 transitions. Word has length 211 [2019-10-02 14:24:43,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:43,129 INFO L475 AbstractCegarLoop]: Abstraction has 970 states and 1132 transitions. [2019-10-02 14:24:43,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:24:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1132 transitions. [2019-10-02 14:24:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-02 14:24:43,136 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:43,136 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-10-02 14:24:43,137 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:43,137 INFO L82 PathProgramCache]: Analyzing trace with hash 2126166642, now seen corresponding path program 1 times [2019-10-02 14:24:43,137 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:43,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:43,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:43,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:43,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-02 14:24:43,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:43,470 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:43,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:43,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:24:43,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:43,829 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:24:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 114 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:24:43,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:24:43,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2019-10-02 14:24:43,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 14:24:43,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 14:24:43,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-10-02 14:24:43,899 INFO L87 Difference]: Start difference. First operand 970 states and 1132 transitions. Second operand 15 states. [2019-10-02 14:24:46,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:46,548 INFO L93 Difference]: Finished difference Result 2598 states and 3326 transitions. [2019-10-02 14:24:46,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 14:24:46,549 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 229 [2019-10-02 14:24:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:46,563 INFO L225 Difference]: With dead ends: 2598 [2019-10-02 14:24:46,564 INFO L226 Difference]: Without dead ends: 1784 [2019-10-02 14:24:46,570 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 231 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2019-10-02 14:24:46,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2019-10-02 14:24:46,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1442. [2019-10-02 14:24:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2019-10-02 14:24:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1666 transitions. [2019-10-02 14:24:46,690 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1666 transitions. Word has length 229 [2019-10-02 14:24:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:46,691 INFO L475 AbstractCegarLoop]: Abstraction has 1442 states and 1666 transitions. [2019-10-02 14:24:46,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 14:24:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1666 transitions. [2019-10-02 14:24:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-10-02 14:24:46,697 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:46,697 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-10-02 14:24:46,697 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:46,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:46,698 INFO L82 PathProgramCache]: Analyzing trace with hash -779506640, now seen corresponding path program 1 times [2019-10-02 14:24:46,698 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:46,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:46,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:46,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:46,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-02 14:24:46,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:46,848 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:46,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:47,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:24:47,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-10-02 14:24:47,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:47,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:24:47,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:24:47,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:24:47,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:24:47,189 INFO L87 Difference]: Start difference. First operand 1442 states and 1666 transitions. Second operand 13 states. [2019-10-02 14:24:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:47,302 INFO L93 Difference]: Finished difference Result 1937 states and 2229 transitions. [2019-10-02 14:24:47,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:24:47,303 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2019-10-02 14:24:47,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:47,307 INFO L225 Difference]: With dead ends: 1937 [2019-10-02 14:24:47,307 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:24:47,313 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:24:47,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:24:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:24:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:24:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:24:47,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2019-10-02 14:24:47,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:47,315 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:24:47,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:24:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:24:47,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:24:47,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:24:48,177 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 11 [2019-10-02 14:24:48,519 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2019-10-02 14:24:48,645 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 16 [2019-10-02 14:24:48,928 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-10-02 14:24:49,078 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 20 [2019-10-02 14:24:49,370 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 25 [2019-10-02 14:24:49,532 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-10-02 14:24:50,000 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 26 [2019-10-02 14:24:50,197 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 17 [2019-10-02 14:24:50,388 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 19 [2019-10-02 14:24:50,558 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 20 [2019-10-02 14:24:51,196 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-10-02 14:24:51,449 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2019-10-02 14:24:51,808 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-10-02 14:24:52,043 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-10-02 14:24:52,269 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-10-02 14:24:52,347 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-10-02 14:24:52,347 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 532 587) no Hoare annotation was computed. [2019-10-02 14:24:52,347 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 567) no Hoare annotation was computed. [2019-10-02 14:24:52,347 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point L557-2(lines 557 578) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 532 587) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point L579(lines 556 580) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 532 587) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point L640(lines 613 641) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-02 14:24:52,348 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 588 647) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 588 647) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 588 647) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 639) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 976 982) the Hoare annotation is: true [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 976 982) no Hoare annotation was computed. [2019-10-02 14:24:52,349 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 983 991) no Hoare annotation was computed. [2019-10-02 14:24:52,350 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 983 991) the Hoare annotation is: true [2019-10-02 14:24:52,350 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 983 991) no Hoare annotation was computed. [2019-10-02 14:24:52,350 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 355 379) the Hoare annotation is: true [2019-10-02 14:24:52,350 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 355 379) no Hoare annotation was computed. [2019-10-02 14:24:52,350 INFO L439 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:52,350 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-10-02 14:24:52,351 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:52,351 INFO L443 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-10-02 14:24:52,351 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-10-02 14:24:52,351 INFO L443 ceAbstractionStarter]: For program point L363-1(lines 355 379) no Hoare annotation was computed. [2019-10-02 14:24:52,351 INFO L446 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2019-10-02 14:24:52,351 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-02 14:24:52,351 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 456 478) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,352 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 456 478) no Hoare annotation was computed. [2019-10-02 14:24:52,352 INFO L439 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,352 INFO L439 ceAbstractionStarter]: At program point L468-1(line 468) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,352 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-10-02 14:24:52,352 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 473) no Hoare annotation was computed. [2019-10-02 14:24:52,352 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-02 14:24:52,352 INFO L439 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,352 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,353 INFO L439 ceAbstractionStarter]: At program point L462-1(line 462) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 456 478) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point L417(line 417) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 412 435) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 412 435) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 412 435) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-02 14:24:52,353 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L420(line 420) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2019-10-02 14:24:52,354 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L446 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 297) no Hoare annotation was computed. [2019-10-02 14:24:52,355 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 297) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 270 305) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 270 305) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2019-10-02 14:24:52,356 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 969 975) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 969 975) the Hoare annotation is: true [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 486 531) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 486 531) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 486 531) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 799 844) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 826) no Hoare annotation was computed. [2019-10-02 14:24:52,357 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 833) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L443 ceAbstractionStarter]: For program point L813-1(lines 813 833) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 799 844) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 799 844) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 443 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,358 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 443 452) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 443 452) no Hoare annotation was computed. [2019-10-02 14:24:52,358 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2019-10-02 14:24:52,359 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-10-02 14:24:52,359 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-10-02 14:24:52,359 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2019-10-02 14:24:52,359 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2019-10-02 14:24:52,359 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-02 14:24:52,359 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2019-10-02 14:24:52,359 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2019-10-02 14:24:52,360 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-10-02 14:24:52,360 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 925 938) no Hoare annotation was computed. [2019-10-02 14:24:52,360 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 925 938) the Hoare annotation is: true [2019-10-02 14:24:52,360 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 925 938) no Hoare annotation was computed. [2019-10-02 14:24:52,360 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2019-10-02 14:24:52,360 INFO L439 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse2 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:24:52,361 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-10-02 14:24:52,361 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-02 14:24:52,361 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2019-10-02 14:24:52,361 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-10-02 14:24:52,361 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-10-02 14:24:52,361 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-02 14:24:52,362 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (= 0 |old(~pumpRunning~0)|)) (or .cse1 (or (not (<= 2 ~waterLevel~0)) .cse0)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-10-02 14:24:52,362 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2019-10-02 14:24:52,362 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-10-02 14:24:52,362 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-10-02 14:24:52,362 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,362 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-02 14:24:52,362 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-10-02 14:24:52,363 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-02 14:24:52,363 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-10-02 14:24:52,363 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-02 14:24:52,363 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-02 14:24:52,363 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2019-10-02 14:24:52,363 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-02 14:24:52,364 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-02 14:24:52,364 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:24:52,364 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:24:52,364 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-02 14:24:52,364 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-02 14:24:52,364 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-02 14:24:52,364 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 787) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point L767-1(lines 767 787) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 753 798) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 753 798) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 753 798) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 780) no Hoare annotation was computed. [2019-10-02 14:24:52,365 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 939 947) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 939 947) the Hoare annotation is: true [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 939 947) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 893 915) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 893 915) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point L901(lines 901 909) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 893 915) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point L901-2(lines 901 909) no Hoare annotation was computed. [2019-10-02 14:24:52,366 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 650 752) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L700(lines 699 719) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 737) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 650 752) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-10-02 14:24:52,367 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 749) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 719) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 650 752) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point L720(lines 698 721) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 695) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 746) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 959 968) no Hoare annotation was computed. [2019-10-02 14:24:52,368 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 959 968) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 959 968) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2019-10-02 14:24:52,369 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:52,369 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2019-10-02 14:24:52,370 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-02 14:24:52,370 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-10-02 14:24:52,370 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-10-02 14:24:52,370 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-02 14:24:52,370 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2019-10-02 14:24:52,370 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2019-10-02 14:24:52,370 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2019-10-02 14:24:52,370 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:24:52,371 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:24:52,371 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse5 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not .cse1)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not .cse5)) (.cse6 (or (not (<= 2 ~waterLevel~0)) .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse2 .cse7 .cse3) (or (or .cse4 .cse6) .cse1)))) [2019-10-02 14:24:52,371 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2019-10-02 14:24:52,371 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2019-10-02 14:24:52,371 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,371 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,372 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,372 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-10-02 14:24:52,372 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (<= 2 |old(~waterLevel~0)|)) .cse0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~pumpRunning~0 0)) .cse0 (not (= |old(~waterLevel~0)| 1))))) [2019-10-02 14:24:52,372 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-10-02 14:24:52,372 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2) (and .cse3 .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (or .cse3 (and .cse1 (= ~pumpRunning~0 0)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-02 14:24:52,372 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1))) (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3) .cse1))) [2019-10-02 14:24:52,373 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-10-02 14:24:52,373 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-10-02 14:24:52,373 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 382 411) no Hoare annotation was computed. [2019-10-02 14:24:52,373 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 382 411) the Hoare annotation is: true [2019-10-02 14:24:52,373 INFO L446 ceAbstractionStarter]: At program point L407(lines 382 411) the Hoare annotation is: true [2019-10-02 14:24:52,373 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-02 14:24:52,373 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-10-02 14:24:52,374 INFO L446 ceAbstractionStarter]: At program point L396-1(lines 396 400) the Hoare annotation is: true [2019-10-02 14:24:52,374 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-10-02 14:24:52,374 INFO L446 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: true [2019-10-02 14:24:52,374 INFO L446 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2019-10-02 14:24:52,374 INFO L443 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-10-02 14:24:52,374 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 884 892) the Hoare annotation is: true [2019-10-02 14:24:52,374 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 884 892) no Hoare annotation was computed. [2019-10-02 14:24:52,374 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-02 14:24:52,375 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0))) [2019-10-02 14:24:52,375 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2019-10-02 14:24:52,375 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2019-10-02 14:24:52,375 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 436 442) no Hoare annotation was computed. [2019-10-02 14:24:52,375 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 436 442) the Hoare annotation is: true [2019-10-02 14:24:52,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,375 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-02 14:24:52,376 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:24:52,376 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:52,376 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2019-10-02 14:24:52,376 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (<= 2 ~waterLevel~0)) .cse1)) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:24:52,376 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2019-10-02 14:24:52,376 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-02 14:24:52,376 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-02 14:24:52,377 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-10-02 14:24:52,377 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:52,377 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-10-02 14:24:52,377 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:52,377 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-02 14:24:52,377 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-02 14:24:52,377 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-02 14:24:52,378 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-02 14:24:52,378 INFO L443 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2019-10-02 14:24:52,378 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2019-10-02 14:24:52,378 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse0 (not (= |old(~waterLevel~0)| 1))))) [2019-10-02 14:24:52,378 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2019-10-02 14:24:52,378 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-10-02 14:24:52,378 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2019-10-02 14:24:52,379 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2019-10-02 14:24:52,379 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~2)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:24:52,379 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-02 14:24:52,379 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2019-10-02 14:24:52,379 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-02 14:24:52,379 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-10-02 14:24:52,379 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-02 14:24:52,380 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~waterLevel~0)) .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-02 14:24:52,380 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not .cse1)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse2 (or .cse3 (not (<= 2 ~waterLevel~0)) .cse0)) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1)))))) [2019-10-02 14:24:52,380 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-10-02 14:24:52,380 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~waterLevel~0)) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:24:52,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:24:52 BoogieIcfgContainer [2019-10-02 14:24:52,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:24:52,398 INFO L168 Benchmark]: Toolchain (without parser) took 20219.23 ms. Allocated memory was 139.5 MB in the beginning and 574.1 MB in the end (delta: 434.6 MB). Free memory was 85.9 MB in the beginning and 269.3 MB in the end (delta: -183.4 MB). Peak memory consumption was 377.8 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,399 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.7 MB in the beginning and 165.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,401 INFO L168 Benchmark]: Boogie Preprocessor took 122.84 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,402 INFO L168 Benchmark]: RCFGBuilder took 1395.88 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.1 MB in the beginning and 189.6 MB in the end (delta: -28.5 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,403 INFO L168 Benchmark]: TraceAbstraction took 18043.83 ms. Allocated memory was 223.3 MB in the beginning and 574.1 MB in the end (delta: 350.7 MB). Free memory was 189.6 MB in the beginning and 269.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 397.6 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:52,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.7 MB in the beginning and 165.4 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.84 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1395.88 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.1 MB in the beginning and 189.6 MB in the end (delta: -28.5 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18043.83 ms. Allocated memory was 223.3 MB in the beginning and 574.1 MB in the end (delta: 350.7 MB). Free memory was 189.6 MB in the beginning and 269.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 397.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 1 error locations. SAFE Result, 17.9s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2146 SDtfs, 1896 SDslu, 7078 SDs, 0 SdLazy, 6279 SolverSat, 921 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 766 SyntacticMatches, 1 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1442occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 669 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2239 PreInvPairs, 2326 NumberOfFragments, 1414 HoareAnnotationTreeSize, 2239 FomulaSimplifications, 19729 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 13334 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2173 NumberOfCodeBlocks, 2173 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2158 ConstructedInterpolants, 0 QuantifiedInterpolants, 559397 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3857 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 780/848 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...