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_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:20:14,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:20:14,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:20:14,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:20:14,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:20:14,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:20:14,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:20:14,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:20:14,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:20:14,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:20:14,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:20:14,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:20:14,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:20:14,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:20:14,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:20:14,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:20:14,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:20:14,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:20:14,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:20:14,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:20:14,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:20:14,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:20:14,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:20:14,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:20:14,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:20:14,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:20:14,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:20:14,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:20:14,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:20:14,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:20:14,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:20:14,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:20:14,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:20:14,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:20:14,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:20:14,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:20:14,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:20:14,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:20:14,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:20:14,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:20:14,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:20:14,146 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 14:20:14,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:20:14,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:20:14,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:20:14,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:20:14,162 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:20:14,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:20:14,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:20:14,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:20:14,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:20:14,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:20:14,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:20:14,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:20:14,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:20:14,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:20:14,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:20:14,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:20:14,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:20:14,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:20:14,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:20:14,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:20:14,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:20:14,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:20:14,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:20:14,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:20:14,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:20:14,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:20:14,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:20:14,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:20:14,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:20:14,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:20:14,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:20:14,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:20:14,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:20:14,218 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:20:14,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-10-02 14:20:14,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b555fe9fb/d61043dac23248aab64dc917caca48d5/FLAG94b10094b [2019-10-02 14:20:14,836 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:20:14,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-10-02 14:20:14,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b555fe9fb/d61043dac23248aab64dc917caca48d5/FLAG94b10094b [2019-10-02 14:20:15,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b555fe9fb/d61043dac23248aab64dc917caca48d5 [2019-10-02 14:20:15,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:20:15,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:20:15,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:15,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:20:15,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:20:15,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4200ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15, skipping insertion in model container [2019-10-02 14:20:15,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,191 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:20:15,240 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:20:15,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:15,738 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:20:15,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:15,861 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:20:15,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15 WrapperNode [2019-10-02 14:20:15,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:15,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:20:15,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:20:15,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:20:15,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:20:15,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:20:15,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:20:15,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:20:15,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (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 14:20:16,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:20:16,023 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:20:16,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:20:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:20:16,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:20:16,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:20:16,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:16,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:20:16,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:20:16,030 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:20:16,031 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:20:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:20:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:20:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:20:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:16,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:20:17,131 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:20:17,131 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:20:17,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:17 BoogieIcfgContainer [2019-10-02 14:20:17,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:20:17,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:20:17,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:20:17,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:20:17,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:20:15" (1/3) ... [2019-10-02 14:20:17,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d002f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:17, skipping insertion in model container [2019-10-02 14:20:17,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (2/3) ... [2019-10-02 14:20:17,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d002f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:17, skipping insertion in model container [2019-10-02 14:20:17,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:17" (3/3) ... [2019-10-02 14:20:17,157 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-10-02 14:20:17,166 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:20:17,175 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:20:17,191 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:20:17,222 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:20:17,222 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:20:17,222 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:20:17,222 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:20:17,223 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:20:17,223 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:20:17,223 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:20:17,223 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:20:17,223 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:20:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2019-10-02 14:20:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:20:17,266 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:17,267 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 14:20:17,271 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:17,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:17,276 INFO L82 PathProgramCache]: Analyzing trace with hash 252979836, now seen corresponding path program 1 times [2019-10-02 14:20:17,278 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:17,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:17,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:17,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:17,648 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 14:20:17,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:17,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:20:17,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:20:17,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:20:17,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:20:17,677 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2019-10-02 14:20:17,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:17,744 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2019-10-02 14:20:17,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:20:17,745 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:20:17,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:17,758 INFO L225 Difference]: With dead ends: 288 [2019-10-02 14:20:17,758 INFO L226 Difference]: Without dead ends: 144 [2019-10-02 14:20:17,763 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 14:20:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-02 14:20:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-02 14:20:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-02 14:20:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-10-02 14:20:17,815 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2019-10-02 14:20:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:17,816 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-10-02 14:20:17,816 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:20:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-10-02 14:20:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:20:17,820 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:17,820 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 14:20:17,820 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash -810106616, now seen corresponding path program 1 times [2019-10-02 14:20:17,821 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:17,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:17,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:17,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:17,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:17,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:20:17,947 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:20:17,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:20:17,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:20:17,948 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2019-10-02 14:20:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:17,992 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2019-10-02 14:20:17,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:20:17,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:20:17,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:17,997 INFO L225 Difference]: With dead ends: 233 [2019-10-02 14:20:17,998 INFO L226 Difference]: Without dead ends: 135 [2019-10-02 14:20:18,001 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 14:20:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-02 14:20:18,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-02 14:20:18,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-02 14:20:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2019-10-02 14:20:18,030 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2019-10-02 14:20:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:18,031 INFO L475 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2019-10-02 14:20:18,031 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:20:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2019-10-02 14:20:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 14:20:18,033 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:18,034 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 14:20:18,034 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:18,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:18,034 INFO L82 PathProgramCache]: Analyzing trace with hash 2111665897, now seen corresponding path program 1 times [2019-10-02 14:20:18,035 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:18,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:18,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:18,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:18,180 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 14:20:18,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:18,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:20:18,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:18,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:18,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:18,182 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2019-10-02 14:20:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:18,497 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2019-10-02 14:20:18,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:20:18,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-02 14:20:18,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:18,499 INFO L225 Difference]: With dead ends: 246 [2019-10-02 14:20:18,499 INFO L226 Difference]: Without dead ends: 135 [2019-10-02 14:20:18,501 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 14:20:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-02 14:20:18,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-02 14:20:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-02 14:20:18,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2019-10-02 14:20:18,513 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2019-10-02 14:20:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:18,514 INFO L475 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2019-10-02 14:20:18,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2019-10-02 14:20:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-02 14:20:18,517 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:18,517 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] [2019-10-02 14:20:18,518 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:18,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:18,518 INFO L82 PathProgramCache]: Analyzing trace with hash -2095161910, now seen corresponding path program 1 times [2019-10-02 14:20:18,518 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:18,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:18,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:18,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:18,667 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 14:20:18,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:18,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:20:18,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:20:18,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:20:18,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:20:18,669 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2019-10-02 14:20:19,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:19,220 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2019-10-02 14:20:19,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:20:19,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-02 14:20:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:19,229 INFO L225 Difference]: With dead ends: 347 [2019-10-02 14:20:19,230 INFO L226 Difference]: Without dead ends: 236 [2019-10-02 14:20:19,231 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-10-02 14:20:19,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2019-10-02 14:20:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-10-02 14:20:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2019-10-02 14:20:19,269 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2019-10-02 14:20:19,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:19,269 INFO L475 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2019-10-02 14:20:19,269 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:20:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2019-10-02 14:20:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-02 14:20:19,272 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:19,272 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] [2019-10-02 14:20:19,272 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:19,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:19,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1983258682, now seen corresponding path program 1 times [2019-10-02 14:20:19,273 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:19,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:19,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:19,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:19,383 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 14:20:19,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:19,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:19,385 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:19,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:19,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:19,386 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2019-10-02 14:20:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:19,590 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2019-10-02 14:20:19,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:19,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-02 14:20:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:19,595 INFO L225 Difference]: With dead ends: 588 [2019-10-02 14:20:19,595 INFO L226 Difference]: Without dead ends: 395 [2019-10-02 14:20:19,596 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:19,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-02 14:20:19,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2019-10-02 14:20:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-02 14:20:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2019-10-02 14:20:19,644 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2019-10-02 14:20:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:19,645 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2019-10-02 14:20:19,645 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2019-10-02 14:20:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-02 14:20:19,647 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:19,647 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] [2019-10-02 14:20:19,647 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:19,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash -2086163970, now seen corresponding path program 1 times [2019-10-02 14:20:19,648 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:19,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:19,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:19,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:19,810 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 14:20:19,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:19,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:20:19,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:19,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:19,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:19,812 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2019-10-02 14:20:20,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,467 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2019-10-02 14:20:20,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 14:20:20,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-10-02 14:20:20,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,475 INFO L225 Difference]: With dead ends: 424 [2019-10-02 14:20:20,476 INFO L226 Difference]: Without dead ends: 421 [2019-10-02 14:20:20,476 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:20:20,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-02 14:20:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2019-10-02 14:20:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-02 14:20:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-10-02 14:20:20,522 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2019-10-02 14:20:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,524 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-10-02 14:20:20,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-10-02 14:20:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 14:20:20,526 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,526 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:20,526 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1672866455, now seen corresponding path program 1 times [2019-10-02 14:20:20,527 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:20,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:20,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:20,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:20,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:20,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:20,621 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2019-10-02 14:20:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,668 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2019-10-02 14:20:20,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:20:20,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-02 14:20:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,673 INFO L225 Difference]: With dead ends: 768 [2019-10-02 14:20:20,673 INFO L226 Difference]: Without dead ends: 403 [2019-10-02 14:20:20,674 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-02 14:20:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2019-10-02 14:20:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-10-02 14:20:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2019-10-02 14:20:20,705 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2019-10-02 14:20:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,705 INFO L475 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2019-10-02 14:20:20,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2019-10-02 14:20:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 14:20:20,714 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,715 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:20,715 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash -779380117, now seen corresponding path program 1 times [2019-10-02 14:20:20,715 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:20,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:20,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 14:20:20,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 14:20:20,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 14:20:20,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:20,831 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2019-10-02 14:20:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,902 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2019-10-02 14:20:20,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:20,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-02 14:20:20,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,914 INFO L225 Difference]: With dead ends: 788 [2019-10-02 14:20:20,915 INFO L226 Difference]: Without dead ends: 413 [2019-10-02 14:20:20,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:20,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-02 14:20:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2019-10-02 14:20:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-02 14:20:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2019-10-02 14:20:20,946 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2019-10-02 14:20:20,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,947 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2019-10-02 14:20:20,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 14:20:20,948 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2019-10-02 14:20:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 14:20:20,952 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,953 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:20,953 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,953 INFO L82 PathProgramCache]: Analyzing trace with hash -787139476, now seen corresponding path program 1 times [2019-10-02 14:20:20,954 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:21,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:21,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:20:21,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:20:21,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:20:21,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:20:21,068 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2019-10-02 14:20:21,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:21,319 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2019-10-02 14:20:21,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 14:20:21,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-02 14:20:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:21,327 INFO L225 Difference]: With dead ends: 1209 [2019-10-02 14:20:21,327 INFO L226 Difference]: Without dead ends: 826 [2019-10-02 14:20:21,330 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:20:21,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2019-10-02 14:20:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2019-10-02 14:20:21,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-02 14:20:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2019-10-02 14:20:21,386 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2019-10-02 14:20:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:21,388 INFO L475 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2019-10-02 14:20:21,388 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:20:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2019-10-02 14:20:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-02 14:20:21,390 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:21,390 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:21,391 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:21,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1176915630, now seen corresponding path program 1 times [2019-10-02 14:20:21,391 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:21,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:21,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:21,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:21,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 14:20:21,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:21,565 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 14:20:21,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:21,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 14:20:21,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-10-02 14:20:22,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:22,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-10-02 14:20:22,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 14:20:22,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 14:20:22,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:20:22,020 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 19 states. [2019-10-02 14:20:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:23,492 INFO L93 Difference]: Finished difference Result 1568 states and 1839 transitions. [2019-10-02 14:20:23,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 14:20:23,493 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2019-10-02 14:20:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:23,498 INFO L225 Difference]: With dead ends: 1568 [2019-10-02 14:20:23,498 INFO L226 Difference]: Without dead ends: 781 [2019-10-02 14:20:23,501 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:20:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2019-10-02 14:20:23,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2019-10-02 14:20:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2019-10-02 14:20:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 892 transitions. [2019-10-02 14:20:23,545 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 892 transitions. Word has length 103 [2019-10-02 14:20:23,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:23,545 INFO L475 AbstractCegarLoop]: Abstraction has 781 states and 892 transitions. [2019-10-02 14:20:23,545 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 14:20:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 892 transitions. [2019-10-02 14:20:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 14:20:23,549 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:23,549 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:20:23,550 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:23,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:23,550 INFO L82 PathProgramCache]: Analyzing trace with hash -360639834, now seen corresponding path program 1 times [2019-10-02 14:20:23,550 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:23,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:23,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:23,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:23,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:20:23,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:23,640 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 14:20:23,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:23,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:20:23,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:23,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:23,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-10-02 14:20:23,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:23,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:23,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:23,953 INFO L87 Difference]: Start difference. First operand 781 states and 892 transitions. Second operand 7 states. [2019-10-02 14:20:24,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:24,715 INFO L93 Difference]: Finished difference Result 1695 states and 2060 transitions. [2019-10-02 14:20:24,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:24,716 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2019-10-02 14:20:24,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:24,722 INFO L225 Difference]: With dead ends: 1695 [2019-10-02 14:20:24,722 INFO L226 Difference]: Without dead ends: 1066 [2019-10-02 14:20:24,725 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2019-10-02 14:20:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 969. [2019-10-02 14:20:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2019-10-02 14:20:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1124 transitions. [2019-10-02 14:20:24,784 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1124 transitions. Word has length 157 [2019-10-02 14:20:24,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:24,785 INFO L475 AbstractCegarLoop]: Abstraction has 969 states and 1124 transitions. [2019-10-02 14:20:24,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1124 transitions. [2019-10-02 14:20:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 14:20:24,788 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:24,789 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:20:24,789 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:24,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:24,789 INFO L82 PathProgramCache]: Analyzing trace with hash 2006054760, now seen corresponding path program 1 times [2019-10-02 14:20:24,790 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:24,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:24,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:24,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:24,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:20:25,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:25,020 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 14:20:25,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:25,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:20:25,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:25,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:25,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-10-02 14:20:25,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:20:25,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:20:25,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:20:25,435 INFO L87 Difference]: Start difference. First operand 969 states and 1124 transitions. Second operand 16 states. [2019-10-02 14:20:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:28,611 INFO L93 Difference]: Finished difference Result 2945 states and 3731 transitions. [2019-10-02 14:20:28,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-02 14:20:28,611 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2019-10-02 14:20:28,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:28,624 INFO L225 Difference]: With dead ends: 2945 [2019-10-02 14:20:28,624 INFO L226 Difference]: Without dead ends: 2132 [2019-10-02 14:20:28,628 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-10-02 14:20:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2019-10-02 14:20:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 1809. [2019-10-02 14:20:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2019-10-02 14:20:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2100 transitions. [2019-10-02 14:20:28,754 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2100 transitions. Word has length 157 [2019-10-02 14:20:28,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:28,755 INFO L475 AbstractCegarLoop]: Abstraction has 1809 states and 2100 transitions. [2019-10-02 14:20:28,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:20:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2100 transitions. [2019-10-02 14:20:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 14:20:28,758 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:28,758 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:20:28,759 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:28,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:28,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2014152922, now seen corresponding path program 1 times [2019-10-02 14:20:28,759 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:28,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:28,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:28,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:28,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-02 14:20:28,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:28,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:20:28,866 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:20:28,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:20:28,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:28,866 INFO L87 Difference]: Start difference. First operand 1809 states and 2100 transitions. Second operand 9 states. [2019-10-02 14:20:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:28,936 INFO L93 Difference]: Finished difference Result 2219 states and 2574 transitions. [2019-10-02 14:20:28,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:20:28,937 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-10-02 14:20:28,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:28,938 INFO L225 Difference]: With dead ends: 2219 [2019-10-02 14:20:28,938 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:20:28,943 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:28,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:20:28,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:20:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:20:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:20:28,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-02 14:20:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:28,945 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:20:28,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:20:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:20:28,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:20:28,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:20:29,984 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2019-10-02 14:20:30,359 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-10-02 14:20:30,544 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-02 14:20:30,661 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2019-10-02 14:20:30,801 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-10-02 14:20:31,193 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2019-10-02 14:20:31,406 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2019-10-02 14:20:31,552 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-10-02 14:20:31,685 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-02 14:20:31,914 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2019-10-02 14:20:32,053 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-10-02 14:20:32,320 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-02 14:20:32,582 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-02 14:20:32,770 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2019-10-02 14:20:32,983 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-02 14:20:33,204 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2019-10-02 14:20:33,315 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2019-10-02 14:20:33,690 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-10-02 14:20:33,928 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-10-02 14:20:33,928 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point L717(lines 694 718) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-02 14:20:33,929 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L778(lines 751 779) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-10-02 14:20:33,930 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2019-10-02 14:20:33,930 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2019-10-02 14:20:33,931 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2019-10-02 14:20:33,931 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2019-10-02 14:20:33,931 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2019-10-02 14:20:33,931 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,931 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,931 INFO L439 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,931 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-10-02 14:20:33,931 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-10-02 14:20:33,932 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-10-02 14:20:33,932 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-02 14:20:33,932 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,932 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,932 INFO L439 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,932 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-10-02 14:20:33,932 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-02 14:20:33,933 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-02 14:20:33,934 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2019-10-02 14:20:33,934 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L446 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2019-10-02 14:20:33,935 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point L437-1(line 437) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 434) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2019-10-02 14:20:33,936 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 964) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point L951(lines 951 971) no Hoare annotation was computed. [2019-10-02 14:20:33,937 INFO L443 ceAbstractionStarter]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2019-10-02 14:20:33,938 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2019-10-02 14:20:33,938 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2019-10-02 14:20:33,938 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,938 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-10-02 14:20:33,938 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-10-02 14:20:33,938 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2019-10-02 14:20:33,939 INFO L446 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2019-10-02 14:20:33,939 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2019-10-02 14:20:33,939 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-10-02 14:20:33,940 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-10-02 14:20:33,940 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-10-02 14:20:33,940 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-10-02 14:20:33,940 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse5 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)) (or .cse1 .cse5 (not (= ~waterLevel~0 1)) .cse2))) [2019-10-02 14:20:33,940 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2019-10-02 14:20:33,940 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2019-10-02 14:20:33,940 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,941 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,941 INFO L439 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse2 .cse3 .cse5))) [2019-10-02 14:20:33,941 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2019-10-02 14:20:33,941 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2019-10-02 14:20:33,941 INFO L443 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-10-02 14:20:33,941 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2019-10-02 14:20:33,941 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2019-10-02 14:20:33,941 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2019-10-02 14:20:33,942 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:33,942 INFO L439 ceAbstractionStarter]: At program point L574(lines 525 575) 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 14:20:33,942 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2019-10-02 14:20:33,942 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-02 14:20:33,942 INFO L439 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse6 .cse2 .cse5) .cse4) (and .cse0 .cse6 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:33,942 INFO L443 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2019-10-02 14:20:33,943 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse6 .cse2 .cse5) .cse4) (and .cse0 .cse6 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:33,943 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-10-02 14:20:33,943 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse4 .cse1 .cse3) .cse2) (and .cse0 .cse4 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:33,943 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-10-02 14:20:33,943 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2019-10-02 14:20:33,943 INFO L439 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse2 .cse3 .cse4 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse4) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:33,944 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and (and .cse0 .cse2 .cse3) (= 1 ~methaneLevelCritical~0)) .cse4))) [2019-10-02 14:20:33,944 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-10-02 14:20:33,944 INFO L443 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2019-10-02 14:20:33,944 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-10-02 14:20:33,944 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2019-10-02 14:20:33,944 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 918) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 925) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2019-10-02 14:20:33,945 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-10-02 14:20:33,946 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 584 593) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 584 593) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 584 593) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 816) no Hoare annotation was computed. [2019-10-02 14:20:33,947 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 887) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 843) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L858(lines 836 859) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 833) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 884) no Hoare annotation was computed. [2019-10-02 14:20:33,948 INFO L443 ceAbstractionStarter]: For program point L838(lines 837 857) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 875) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,949 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 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2019-10-02 14:20:33,949 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-02 14:20:33,950 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-10-02 14:20:33,950 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2019-10-02 14:20:33,950 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-02 14:20:33,950 INFO L439 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,950 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2019-10-02 14:20:33,950 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2019-10-02 14:20:33,950 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-10-02 14:20:33,951 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-02 14:20:33,951 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0) (not (<= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse2 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse3)))) [2019-10-02 14:20:33,952 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,952 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2019-10-02 14:20:33,953 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-10-02 14:20:33,953 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-10-02 14:20:33,953 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (and .cse7 (= ~pumpRunning~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (or .cse0 .cse4 .cse3) (and .cse5 .cse6)) (or (and .cse5 .cse7) (and .cse1 .cse5 .cse6) (or .cse4 .cse3 .cse8)) (or .cse1 .cse3 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse8)))) [2019-10-02 14:20:33,953 INFO L439 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse2)) (.cse7 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or (and .cse0 .cse1 .cse2) .cse3 (or .cse4 .cse5 .cse6)) (or .cse4 .cse0 .cse3 .cse6 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse7 (not (<= 1 |old(~waterLevel~0)|)) .cse6 .cse3 .cse8) (or .cse7 (or .cse5 .cse6 .cse8) (and .cse1 .cse2))))) [2019-10-02 14:20:33,953 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse5 (or .cse0 .cse6 .cse3)))) [2019-10-02 14:20:33,954 INFO L443 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2019-10-02 14:20:33,954 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 (= ~pumpRunning~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse1 .cse3 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse5 (or .cse0 .cse6 .cse3))))) [2019-10-02 14:20:33,954 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2019-10-02 14:20:33,954 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2019-10-02 14:20:33,954 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-10-02 14:20:33,954 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-10-02 14:20:33,955 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-10-02 14:20:33,955 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-02 14:20:33,955 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-10-02 14:20:33,955 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-10-02 14:20:33,955 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-02 14:20:33,955 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-10-02 14:20:33,955 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-02 14:20:33,955 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-02 14:20:33,956 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-10-02 14:20:33,956 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-10-02 14:20:33,956 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-10-02 14:20:33,956 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-10-02 14:20:33,956 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-10-02 14:20:33,956 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,957 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 14:20:33,957 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:20:33,957 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:33,957 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2019-10-02 14:20:33,957 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~systemActive~0)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse5 .cse3 .cse0 (not (= ~waterLevel~0 1)) .cse4) (or .cse1 .cse5 .cse0 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-02 14:20:33,957 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2019-10-02 14:20:33,957 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,958 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,958 INFO L443 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2019-10-02 14:20:33,958 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse1 (not (<= 1 ~waterLevel~0)) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2019-10-02 14:20:33,958 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2019-10-02 14:20:33,958 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2019-10-02 14:20:33,958 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-10-02 14:20:33,959 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:33,959 INFO L443 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2019-10-02 14:20:33,959 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2019-10-02 14:20:33,959 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-10-02 14:20:33,959 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-10-02 14:20:33,959 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or .cse1 .cse2)) (or .cse1 .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3))) [2019-10-02 14:20:33,960 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-02 14:20:33,960 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-02 14:20:33,960 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-02 14:20:33,960 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-02 14:20:33,960 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2019-10-02 14:20:33,960 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-02 14:20:33,961 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2019-10-02 14:20:33,961 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-10-02 14:20:33,961 INFO L443 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-10-02 14:20:33,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:20:33 BoogieIcfgContainer [2019-10-02 14:20:33,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:20:33,978 INFO L168 Benchmark]: Toolchain (without parser) took 18805.64 ms. Allocated memory was 137.9 MB in the beginning and 536.3 MB in the end (delta: 398.5 MB). Free memory was 84.3 MB in the beginning and 114.8 MB in the end (delta: -30.5 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,979 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.01 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 84.1 MB in the beginning and 162.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,981 INFO L168 Benchmark]: Boogie Preprocessor took 100.54 ms. Allocated memory is still 197.7 MB. Free memory was 162.9 MB in the beginning and 158.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,982 INFO L168 Benchmark]: RCFGBuilder took 1185.26 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 158.4 MB in the beginning and 188.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,983 INFO L168 Benchmark]: TraceAbstraction took 16826.78 ms. Allocated memory was 218.1 MB in the beginning and 536.3 MB in the end (delta: 318.2 MB). Free memory was 188.7 MB in the beginning and 114.8 MB in the end (delta: 73.9 MB). Peak memory consumption was 392.2 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:33,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.01 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 84.1 MB in the beginning and 162.9 MB in the end (delta: -78.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.54 ms. Allocated memory is still 197.7 MB. Free memory was 162.9 MB in the beginning and 158.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.26 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 158.4 MB in the beginning and 188.7 MB in the end (delta: -30.3 MB). Peak memory consumption was 94.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16826.78 ms. Allocated memory was 218.1 MB in the beginning and 536.3 MB in the end (delta: 318.2 MB). Free memory was 188.7 MB in the beginning and 114.8 MB in the end (delta: 73.9 MB). Peak memory consumption was 392.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2428 SDtfs, 2105 SDslu, 7219 SDs, 0 SdLazy, 5374 SolverSat, 934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 586 GetRequests, 466 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1809occurred in iteration=12, 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, 13 MinimizatonAttempts, 502 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2481 PreInvPairs, 2558 NumberOfFragments, 2074 HoareAnnotationTreeSize, 2481 FomulaSimplifications, 11359 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 9624 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1660 NumberOfCodeBlocks, 1660 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 327806 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2595 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 180/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...