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_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:46,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:46,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:46,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:46,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:46,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:46,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:46,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:46,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:46,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:46,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:46,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:46,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:46,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:46,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:46,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:46,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:46,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:46,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:47,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:47,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:47,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:47,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:47,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:47,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:47,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:47,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:47,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:47,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:47,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:47,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:47,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:47,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:47,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:47,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:47,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:47,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:47,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:47,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:47,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:47,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:47,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:05:47,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:47,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:47,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:47,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:47,053 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:47,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:47,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:47,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:47,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:47,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:47,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:47,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:47,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:47,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:47,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:47,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:47,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:47,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:47,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:47,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:47,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:47,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:47,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:47,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:47,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:47,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:47,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:47,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:47,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:47,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:47,129 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:47,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:47,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:47,135 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:47,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-20 13:05:47,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6900a0775/c10f12d2e90749dfbdff06764df7bb71/FLAG4984a21df [2019-09-20 13:05:47,775 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:47,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-09-20 13:05:47,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6900a0775/c10f12d2e90749dfbdff06764df7bb71/FLAG4984a21df [2019-09-20 13:05:48,000 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6900a0775/c10f12d2e90749dfbdff06764df7bb71 [2019-09-20 13:05:48,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:48,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:48,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:48,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:48,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:48,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32967ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48, skipping insertion in model container [2019-09-20 13:05:48,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,028 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:48,090 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:48,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:48,556 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:48,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:48,714 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:48,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48 WrapperNode [2019-09-20 13:05:48,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:48,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:48,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:48,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:48,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... [2019-09-20 13:05:48,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:48,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:48,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:48,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:48,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:48,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:48,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:48,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:05:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:05:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:50,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:50,207 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:50,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:50 BoogieIcfgContainer [2019-09-20 13:05:50,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:50,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:50,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:50,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:50,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:48" (1/3) ... [2019-09-20 13:05:50,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ccc9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:50, skipping insertion in model container [2019-09-20 13:05:50,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:48" (2/3) ... [2019-09-20 13:05:50,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ccc9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:50, skipping insertion in model container [2019-09-20 13:05:50,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:50" (3/3) ... [2019-09-20 13:05:50,222 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2019-09-20 13:05:50,233 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:50,243 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:50,263 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:50,296 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:50,297 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:50,297 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:50,297 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:50,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:50,298 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:50,298 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:50,298 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:50,298 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-09-20 13:05:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:50,334 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,335 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,338 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2019-09-20 13:05:50,346 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:50,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:50,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:50,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:50,742 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-09-20 13:05:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,807 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2019-09-20 13:05:50,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:50,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-20 13:05:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,822 INFO L225 Difference]: With dead ends: 306 [2019-09-20 13:05:50,822 INFO L226 Difference]: Without dead ends: 153 [2019-09-20 13:05:50,828 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:50,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-09-20 13:05:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-09-20 13:05:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-09-20 13:05:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2019-09-20 13:05:50,882 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2019-09-20 13:05:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,883 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2019-09-20 13:05:50,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2019-09-20 13:05:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:05:50,892 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,892 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,892 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2019-09-20 13:05:50,893 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:51,050 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:51,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:51,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:51,051 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2019-09-20 13:05:51,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,095 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2019-09-20 13:05:51,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:51,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-20 13:05:51,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,099 INFO L225 Difference]: With dead ends: 251 [2019-09-20 13:05:51,099 INFO L226 Difference]: Without dead ends: 144 [2019-09-20 13:05:51,101 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-20 13:05:51,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-20 13:05:51,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-20 13:05:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2019-09-20 13:05:51,119 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2019-09-20 13:05:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,120 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2019-09-20 13:05:51,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2019-09-20 13:05:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:05:51,123 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,123 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:51,123 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,124 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2019-09-20 13:05:51,124 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:51,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:51,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:51,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:51,256 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2019-09-20 13:05:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,667 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2019-09-20 13:05:51,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:51,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-20 13:05:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,670 INFO L225 Difference]: With dead ends: 264 [2019-09-20 13:05:51,670 INFO L226 Difference]: Without dead ends: 144 [2019-09-20 13:05:51,672 INFO L636 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 [2019-09-20 13:05:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-20 13:05:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-20 13:05:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-20 13:05:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-09-20 13:05:51,694 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2019-09-20 13:05:51,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,695 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-09-20 13:05:51,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-09-20 13:05:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-20 13:05:51,706 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,706 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:51,707 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2019-09-20 13:05:51,707 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:51,926 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:51,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:51,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:51,928 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2019-09-20 13:05:52,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:52,578 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2019-09-20 13:05:52,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:52,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-09-20 13:05:52,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:52,582 INFO L225 Difference]: With dead ends: 383 [2019-09-20 13:05:52,582 INFO L226 Difference]: Without dead ends: 263 [2019-09-20 13:05:52,584 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2019-09-20 13:05:52,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2019-09-20 13:05:52,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-09-20 13:05:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2019-09-20 13:05:52,615 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2019-09-20 13:05:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:52,616 INFO L475 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2019-09-20 13:05:52,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2019-09-20 13:05:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-20 13:05:52,620 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:52,620 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:52,620 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:52,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1489636928, now seen corresponding path program 1 times [2019-09-20 13:05:52,621 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:52,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:52,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:52,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:52,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:52,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:52,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:52,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:52,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:52,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:52,779 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2019-09-20 13:05:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:53,004 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2019-09-20 13:05:53,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:53,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2019-09-20 13:05:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:53,011 INFO L225 Difference]: With dead ends: 591 [2019-09-20 13:05:53,011 INFO L226 Difference]: Without dead ends: 371 [2019-09-20 13:05:53,013 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-09-20 13:05:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2019-09-20 13:05:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-09-20 13:05:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2019-09-20 13:05:53,082 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2019-09-20 13:05:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:53,083 INFO L475 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2019-09-20 13:05:53,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2019-09-20 13:05:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:53,086 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:53,086 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:53,087 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash -467189990, now seen corresponding path program 1 times [2019-09-20 13:05:53,087 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:53,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:53,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:53,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:53,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:53,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:53,270 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:53,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:53,271 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2019-09-20 13:05:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:53,558 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2019-09-20 13:05:53,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:53,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-09-20 13:05:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:53,563 INFO L225 Difference]: With dead ends: 802 [2019-09-20 13:05:53,563 INFO L226 Difference]: Without dead ends: 582 [2019-09-20 13:05:53,565 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-09-20 13:05:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2019-09-20 13:05:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-09-20 13:05:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2019-09-20 13:05:53,605 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2019-09-20 13:05:53,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:53,606 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2019-09-20 13:05:53,606 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2019-09-20 13:05:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:53,609 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:53,609 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:53,609 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:53,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2019-09-20 13:05:53,610 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:53,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:53,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:53,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:53,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:53,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:53,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:53,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:53,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:53,678 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2019-09-20 13:05:53,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:53,716 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2019-09-20 13:05:53,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:05:53,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2019-09-20 13:05:53,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:53,721 INFO L225 Difference]: With dead ends: 991 [2019-09-20 13:05:53,721 INFO L226 Difference]: Without dead ends: 574 [2019-09-20 13:05:53,723 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-09-20 13:05:53,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2019-09-20 13:05:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2019-09-20 13:05:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2019-09-20 13:05:53,759 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2019-09-20 13:05:53,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:53,759 INFO L475 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2019-09-20 13:05:53,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2019-09-20 13:05:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:53,765 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:53,766 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:53,766 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2019-09-20 13:05:53,770 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:53,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:53,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:53,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:53,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:53,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:05:53,867 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:05:53,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:05:53,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:53,868 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2019-09-20 13:05:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:53,939 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2019-09-20 13:05:53,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:05:53,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2019-09-20 13:05:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:53,944 INFO L225 Difference]: With dead ends: 1116 [2019-09-20 13:05:53,944 INFO L226 Difference]: Without dead ends: 572 [2019-09-20 13:05:53,946 INFO L636 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 [2019-09-20 13:05:53,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-09-20 13:05:53,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2019-09-20 13:05:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-09-20 13:05:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2019-09-20 13:05:54,009 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2019-09-20 13:05:54,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:54,010 INFO L475 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2019-09-20 13:05:54,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:05:54,010 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2019-09-20 13:05:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-09-20 13:05:54,013 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:54,013 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:54,013 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2019-09-20 13:05:54,014 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:54,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:54,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:54,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:54,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:05:54,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:05:54,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:05:54,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:54,151 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2019-09-20 13:05:54,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:54,462 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2019-09-20 13:05:54,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:05:54,463 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2019-09-20 13:05:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:54,467 INFO L225 Difference]: With dead ends: 1114 [2019-09-20 13:05:54,467 INFO L226 Difference]: Without dead ends: 572 [2019-09-20 13:05:54,470 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-09-20 13:05:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2019-09-20 13:05:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-09-20 13:05:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2019-09-20 13:05:54,503 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2019-09-20 13:05:54,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:54,504 INFO L475 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2019-09-20 13:05:54,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:05:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2019-09-20 13:05:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-09-20 13:05:54,507 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:54,507 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:54,507 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:54,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash -252196105, now seen corresponding path program 1 times [2019-09-20 13:05:54,508 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:54,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:54,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:05:54,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:54,583 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:54,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:54,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-20 13:05:54,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:05:55,001 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:05:55,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2019-09-20 13:05:55,002 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:05:55,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:05:55,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:55,003 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 13 states. [2019-09-20 13:05:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:57,196 INFO L93 Difference]: Finished difference Result 1359 states and 1670 transitions. [2019-09-20 13:05:57,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-20 13:05:57,197 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2019-09-20 13:05:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:57,202 INFO L225 Difference]: With dead ends: 1359 [2019-09-20 13:05:57,202 INFO L226 Difference]: Without dead ends: 909 [2019-09-20 13:05:57,204 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2019-09-20 13:05:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2019-09-20 13:05:57,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 779. [2019-09-20 13:05:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2019-09-20 13:05:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 880 transitions. [2019-09-20 13:05:57,256 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 880 transitions. Word has length 139 [2019-09-20 13:05:57,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:57,256 INFO L475 AbstractCegarLoop]: Abstraction has 779 states and 880 transitions. [2019-09-20 13:05:57,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:05:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 880 transitions. [2019-09-20 13:05:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-20 13:05:57,259 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:57,260 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:57,260 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:57,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2019-09-20 13:05:57,261 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:57,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:57,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:57,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:57,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:05:57,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:57,363 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:57,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:57,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:05:57,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:57,713 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:05:57,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-09-20 13:05:57,714 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:05:57,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:05:57,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:05:57,715 INFO L87 Difference]: Start difference. First operand 779 states and 880 transitions. Second operand 15 states. [2019-09-20 13:06:01,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:01,300 INFO L93 Difference]: Finished difference Result 2941 states and 4133 transitions. [2019-09-20 13:06:01,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-20 13:06:01,301 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2019-09-20 13:06:01,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:01,302 INFO L225 Difference]: With dead ends: 2941 [2019-09-20 13:06:01,302 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:01,312 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-09-20 13:06:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:01,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2019-09-20 13:06:01,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:01,314 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:01,314 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:06:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:01,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:01,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:02,870 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2019-09-20 13:06:03,097 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-09-20 13:06:03,306 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:03,456 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2019-09-20 13:06:03,680 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-09-20 13:06:03,876 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-09-20 13:06:04,084 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2019-09-20 13:06:04,215 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:04,885 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 37 [2019-09-20 13:06:05,009 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-09-20 13:06:05,238 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 20 [2019-09-20 13:06:05,468 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:05,926 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-09-20 13:06:06,167 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2019-09-20 13:06:06,443 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:06,670 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2019-09-20 13:06:06,774 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:06,958 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-09-20 13:06:07,182 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2019-09-20 13:06:07,346 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-09-20 13:06:07,511 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 24 [2019-09-20 13:06:07,765 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2019-09-20 13:06:07,896 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-09-20 13:06:08,058 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:08,296 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-09-20 13:06:08,450 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-09-20 13:06:09,335 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2019-09-20 13:06:09,574 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-09-20 13:06:09,578 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-09-20 13:06:09,578 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2019-09-20 13:06:09,578 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-09-20 13:06:09,578 INFO L443 ceAbstractionStarter]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2019-09-20 13:06:09,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L431(lines 408 432) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L492(lines 465 493) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2019-09-20 13:06:09,579 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-20 13:06:09,580 INFO L443 ceAbstractionStarter]: For program point L485-1(line 485) no Hoare annotation was computed. [2019-09-20 13:06:09,580 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2019-09-20 13:06:09,580 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2019-09-20 13:06:09,580 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2019-09-20 13:06:09,580 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2019-09-20 13:06:09,580 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2019-09-20 13:06:09,580 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,581 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2019-09-20 13:06:09,581 INFO L439 ceAbstractionStarter]: At program point L241(line 241) 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) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,581 INFO L439 ceAbstractionStarter]: At program point L241-1(line 241) 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) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,581 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2019-09-20 13:06:09,581 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2019-09-20 13:06:09,581 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-09-20 13:06:09,582 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2019-09-20 13:06:09,582 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,583 INFO L439 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,583 INFO L439 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-09-20 13:06:09,583 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-09-20 13:06:09,584 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2019-09-20 13:06:09,585 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2019-09-20 13:06:09,585 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 931) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-09-20 13:06:09,586 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point L935(lines 935 943) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2019-09-20 13:06:09,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 678) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 685) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2019-09-20 13:06:09,588 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,588 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2019-09-20 13:06:09,589 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2019-09-20 13:06:09,589 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2019-09-20 13:06:09,589 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2019-09-20 13:06:09,589 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2019-09-20 13:06:09,589 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-09-20 13:06:09,589 INFO L443 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2019-09-20 13:06:09,589 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:09,590 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2019-09-20 13:06:09,590 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2019-09-20 13:06:09,590 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-09-20 13:06:09,590 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-09-20 13:06:09,590 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-09-20 13:06:09,590 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-09-20 13:06:09,590 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,591 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2019-09-20 13:06:09,591 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,591 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-09-20 13:06:09,591 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2019-09-20 13:06:09,591 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2019-09-20 13:06:09,591 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,592 INFO L439 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,592 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2019-09-20 13:06:09,592 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,592 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2019-09-20 13:06:09,592 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2019-09-20 13:06:09,592 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,593 INFO L439 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,593 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-09-20 13:06:09,593 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2019-09-20 13:06:09,593 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2019-09-20 13:06:09,593 INFO L439 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,593 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,594 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-09-20 13:06:09,594 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2019-09-20 13:06:09,594 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-09-20 13:06:09,594 INFO L439 ceAbstractionStarter]: At program point L757(lines 708 758) 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))) [2019-09-20 13:06:09,594 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-09-20 13:06:09,594 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,594 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L439 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point L625(lines 625 632) no Hoare annotation was computed. [2019-09-20 13:06:09,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 639) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:06:09,596 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point L572(lines 550 573) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 547) no Hoare annotation was computed. [2019-09-20 13:06:09,597 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 598) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L552(lines 551 571) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 589) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L567-1(line 567) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2019-09-20 13:06:09,598 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 601) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 557) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2019-09-20 13:06:09,599 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:09,600 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2019-09-20 13:06:09,600 INFO L446 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2019-09-20 13:06:09,600 INFO L443 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-09-20 13:06:09,601 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2019-09-20 13:06:09,601 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2019-09-20 13:06:09,601 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-09-20 13:06:09,601 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse7 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse1)) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse3)) (.cse4 (not .cse7)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7) (or .cse7 .cse0 .cse2 .cse3 .cse6) (or .cse5 .cse1 .cse4 .cse2)))) [2019-09-20 13:06:09,601 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-09-20 13:06:09,601 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,602 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,602 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,602 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-09-20 13:06:09,602 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-09-20 13:06:09,602 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-09-20 13:06:09,602 INFO L439 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse3 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1))) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse2 .cse0) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0)) .cse4 .cse3 .cse2) (or .cse4 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-09-20 13:06:09,603 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (<= ~waterLevel~0 2)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (or .cse7 .cse5)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or .cse3 .cse4 .cse5 .cse6) (or (and .cse2 (= ~pumpRunning~0 0)) .cse4 .cse1 .cse5) (or .cse3 .cse0 .cse6) (or .cse7 .cse5 .cse8 .cse9) (or .cse4 .cse5 .cse9 .cse8)))) [2019-09-20 13:06:09,604 INFO L439 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (let ((.cse2 (<= ~waterLevel~0 0)) (.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse4) .cse5 (and .cse6 .cse1) (and .cse6 .cse3))) (or (and .cse0 .cse1) .cse7 .cse5 .cse4 (and .cse0 (<= ~waterLevel~0 1) .cse3)) (or .cse7 .cse4 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-09-20 13:06:09,604 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2019-09-20 13:06:09,604 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse2 .cse3)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) .cse0 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (= 1 ~waterLevel~0) .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse3)))) [2019-09-20 13:06:09,604 INFO L443 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2019-09-20 13:06:09,604 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2019-09-20 13:06:09,604 INFO L446 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2019-09-20 13:06:09,604 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2019-09-20 13:06:09,605 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-09-20 13:06:09,605 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-09-20 13:06:09,605 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2019-09-20 13:06:09,605 INFO L446 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2019-09-20 13:06:09,605 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-09-20 13:06:09,605 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-09-20 13:06:09,605 INFO L446 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2019-09-20 13:06:09,606 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-09-20 13:06:09,606 INFO L439 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-09-20 13:06:09,606 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2019-09-20 13:06:09,606 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-09-20 13:06:09,606 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2019-09-20 13:06:09,606 INFO L439 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2))) [2019-09-20 13:06:09,606 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-09-20 13:06:09,606 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-09-20 13:06:09,607 INFO L443 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2019-09-20 13:06:09,607 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 .cse1) (or (not (<= ~waterLevel~0 0)) .cse0 .cse2 .cse1) (or .cse5 .cse3 .cse4 .cse1) (or (not (<= ~waterLevel~0 1)) .cse0 .cse5 .cse1))) [2019-09-20 13:06:09,607 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-09-20 13:06:09,607 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2019-09-20 13:06:09,607 INFO L446 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2019-09-20 13:06:09,607 INFO L443 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2019-09-20 13:06:09,608 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or (= 1 ~waterLevel~0) .cse1 .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2019-09-20 13:06:09,608 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-09-20 13:06:09,608 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-09-20 13:06:09,608 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2019-09-20 13:06:09,608 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2019-09-20 13:06:09,608 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,608 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)) [2019-09-20 13:06:09,609 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:09,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,609 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2019-09-20 13:06:09,609 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (or (not (= 1 ~pumpRunning~0)) .cse0) .cse1 .cse2) (or .cse2 (not (= 0 ~pumpRunning~0)) .cse1 .cse0))) [2019-09-20 13:06:09,609 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2019-09-20 13:06:09,609 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,610 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2019-09-20 13:06:09,610 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,610 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2019-09-20 13:06:09,610 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse0 (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse1) (or (not .cse0) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-09-20 13:06:09,610 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (not (<= ~waterLevel~0 2)) .cse2)) (or (not .cse1) (not (= 1 |old(~pumpRunning~0)|)) .cse2))) [2019-09-20 13:06:09,611 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-09-20 13:06:09,611 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,611 INFO L443 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2019-09-20 13:06:09,611 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-09-20 13:06:09,611 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-09-20 13:06:09,611 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-09-20 13:06:09,612 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse0 .cse1) (or (or .cse2 (not (= 0 ~pumpRunning~0)) .cse1) .cse3) (or .cse2 .cse3 .cse0 .cse1))) [2019-09-20 13:06:09,612 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2019-09-20 13:06:09,612 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-09-20 13:06:09,612 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2019-09-20 13:06:09,612 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2019-09-20 13:06:09,612 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-09-20 13:06:09,612 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2019-09-20 13:06:09,613 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,613 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,613 INFO L443 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2019-09-20 13:06:09,613 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,613 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,614 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-09-20 13:06:09,614 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,614 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-09-20 13:06:09,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:09 BoogieIcfgContainer [2019-09-20 13:06:09,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:09,657 INFO L168 Benchmark]: Toolchain (without parser) took 21645.16 ms. Allocated memory was 134.2 MB in the beginning and 628.6 MB in the end (delta: 494.4 MB). Free memory was 82.9 MB in the beginning and 588.7 MB in the end (delta: -505.8 MB). Peak memory consumption was 443.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,658 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 134.2 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:06:09,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.68 ms. Allocated memory was 134.2 MB in the beginning and 197.7 MB in the end (delta: 63.4 MB). Free memory was 82.9 MB in the beginning and 162.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,660 INFO L168 Benchmark]: Boogie Preprocessor took 88.23 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 157.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,661 INFO L168 Benchmark]: RCFGBuilder took 1405.41 ms. Allocated memory was 197.7 MB in the beginning and 216.0 MB in the end (delta: 18.4 MB). Free memory was 157.8 MB in the beginning and 186.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,662 INFO L168 Benchmark]: TraceAbstraction took 19444.31 ms. Allocated memory was 216.0 MB in the beginning and 628.6 MB in the end (delta: 412.6 MB). Free memory was 186.5 MB in the beginning and 588.7 MB in the end (delta: -402.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 134.2 MB. Free memory is still 102.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.68 ms. Allocated memory was 134.2 MB in the beginning and 197.7 MB in the end (delta: 63.4 MB). Free memory was 82.9 MB in the beginning and 162.6 MB in the end (delta: -79.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.23 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 157.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1405.41 ms. Allocated memory was 197.7 MB in the beginning and 216.0 MB in the end (delta: 18.4 MB). Free memory was 157.8 MB in the beginning and 186.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19444.31 ms. Allocated memory was 216.0 MB in the beginning and 628.6 MB in the end (delta: 412.6 MB). Free memory was 186.5 MB in the beginning and 588.7 MB in the end (delta: -402.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 2) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 7.9s AutomataDifference, 0.0s DeadEndRemovalTime, 8.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2133 SDtfs, 2413 SDslu, 6880 SDs, 0 SdLazy, 5799 SolverSat, 1487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=779occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 204 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2567 PreInvPairs, 3196 NumberOfFragments, 1775 HoareAnnotationTreeSize, 2567 FomulaSimplifications, 21507 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 32558 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1270 NumberOfCodeBlocks, 1270 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1257 ConstructedInterpolants, 0 QuantifiedInterpolants, 233924 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1744 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 106/124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...