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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:08,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:08,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:09,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:09,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:09,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:09,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:09,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:09,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:09,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:09,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:09,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:09,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:09,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:09,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:09,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:09,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:09,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:09,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:09,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:09,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:09,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:09,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:09,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:09,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:09,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:09,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:09,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:09,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:09,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:09,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:09,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:09,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:09,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:09,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:09,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:09,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:09,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:09,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:09,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:09,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:09,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:49:09,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:09,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:09,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:09,103 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:09,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:09,104 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:09,104 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:09,104 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:09,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:09,105 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:09,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:09,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:09,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:09,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:09,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:09,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:09,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:09,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:09,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:09,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:09,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:09,108 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:09,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:09,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:09,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:09,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:09,109 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:09,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:09,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:09,109 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:09,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:09,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:09,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:09,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:09,155 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:09,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2019-09-10 02:49:09,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049093f36/8f3500e7f3ea4143973349d82df1da99/FLAG18abd50b2 [2019-09-10 02:49:09,830 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:09,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2019-09-10 02:49:09,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049093f36/8f3500e7f3ea4143973349d82df1da99/FLAG18abd50b2 [2019-09-10 02:49:10,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/049093f36/8f3500e7f3ea4143973349d82df1da99 [2019-09-10 02:49:10,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:10,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:10,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:10,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:10,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:10,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc01419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10, skipping insertion in model container [2019-09-10 02:49:10,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:10,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:10,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:10,665 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:10,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:10,789 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:10,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10 WrapperNode [2019-09-10 02:49:10,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:10,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:10,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:10,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:10,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (1/1) ... [2019-09-10 02:49:10,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:10,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:10,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:10,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:10,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (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 [2019-09-10 02:49:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:49:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:49:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:12,156 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:12,157 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:12,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:12 BoogieIcfgContainer [2019-09-10 02:49:12,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:12,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:12,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:12,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:10" (1/3) ... [2019-09-10 02:49:12,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798d42a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:12, skipping insertion in model container [2019-09-10 02:49:12,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:10" (2/3) ... [2019-09-10 02:49:12,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798d42a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:12, skipping insertion in model container [2019-09-10 02:49:12,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:12" (3/3) ... [2019-09-10 02:49:12,168 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2019-09-10 02:49:12,195 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:12,203 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:12,220 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:12,248 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:12,248 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:12,248 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:12,248 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:12,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:12,249 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:12,249 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:12,249 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-09-10 02:49:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:12,282 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:12,283 INFO L399 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] [2019-09-10 02:49:12,285 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:12,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:12,290 INFO L82 PathProgramCache]: Analyzing trace with hash 385551815, now seen corresponding path program 1 times [2019-09-10 02:49:12,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:12,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:12,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,331 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:12,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:12,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:12,622 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:12,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:12,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:12,647 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-09-10 02:49:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:12,686 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2019-09-10 02:49:12,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:12,688 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:12,701 INFO L225 Difference]: With dead ends: 116 [2019-09-10 02:49:12,701 INFO L226 Difference]: Without dead ends: 105 [2019-09-10 02:49:12,703 INFO L628 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 [2019-09-10 02:49:12,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-10 02:49:12,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-10 02:49:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-10 02:49:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2019-09-10 02:49:12,755 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52 [2019-09-10 02:49:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:12,756 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2019-09-10 02:49:12,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2019-09-10 02:49:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:12,760 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:12,760 INFO L399 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] [2019-09-10 02:49:12,760 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:12,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:12,761 INFO L82 PathProgramCache]: Analyzing trace with hash 881400109, now seen corresponding path program 1 times [2019-09-10 02:49:12,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:12,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:12,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,763 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:12,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:12,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:12,869 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:12,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:12,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:12,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:12,873 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 3 states. [2019-09-10 02:49:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:12,898 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2019-09-10 02:49:12,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:12,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:12,904 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:49:12,904 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:49:12,905 INFO L628 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 [2019-09-10 02:49:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:49:12,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:49:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:49:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2019-09-10 02:49:12,932 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2019-09-10 02:49:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:12,932 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2019-09-10 02:49:12,932 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2019-09-10 02:49:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:49:12,938 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:12,938 INFO L399 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] [2019-09-10 02:49:12,939 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:12,939 INFO L82 PathProgramCache]: Analyzing trace with hash 633168041, now seen corresponding path program 1 times [2019-09-10 02:49:12,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:12,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:12,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:12,943 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:13,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:13,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:13,148 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:13,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:13,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:13,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:13,149 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 7 states. [2019-09-10 02:49:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:13,497 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2019-09-10 02:49:13,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:49:13,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-10 02:49:13,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:13,500 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:49:13,501 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:49:13,502 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:49:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:49:13,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:49:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:49:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2019-09-10 02:49:13,515 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2019-09-10 02:49:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:13,519 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2019-09-10 02:49:13,519 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2019-09-10 02:49:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 02:49:13,521 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:13,521 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:13,521 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:13,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:13,522 INFO L82 PathProgramCache]: Analyzing trace with hash 119188522, now seen corresponding path program 1 times [2019-09-10 02:49:13,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:13,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:13,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,523 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:13,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:13,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:13,674 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:13,674 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:13,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:13,675 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 6 states. [2019-09-10 02:49:13,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:13,970 INFO L93 Difference]: Finished difference Result 157 states and 185 transitions. [2019-09-10 02:49:13,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:13,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-09-10 02:49:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:13,974 INFO L225 Difference]: With dead ends: 157 [2019-09-10 02:49:13,974 INFO L226 Difference]: Without dead ends: 157 [2019-09-10 02:49:13,975 INFO L628 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 [2019-09-10 02:49:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-09-10 02:49:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2019-09-10 02:49:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-09-10 02:49:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2019-09-10 02:49:13,993 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 65 [2019-09-10 02:49:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:13,994 INFO L475 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2019-09-10 02:49:13,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2019-09-10 02:49:13,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 02:49:13,996 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:13,996 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:13,997 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:13,997 INFO L82 PathProgramCache]: Analyzing trace with hash -44114032, now seen corresponding path program 1 times [2019-09-10 02:49:13,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:13,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:13,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:13,999 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:14,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:14,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:14,104 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:14,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:14,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:14,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:14,106 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 3 states. [2019-09-10 02:49:14,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:14,123 INFO L93 Difference]: Finished difference Result 123 states and 138 transitions. [2019-09-10 02:49:14,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:14,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-10 02:49:14,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:14,126 INFO L225 Difference]: With dead ends: 123 [2019-09-10 02:49:14,127 INFO L226 Difference]: Without dead ends: 123 [2019-09-10 02:49:14,127 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-09-10 02:49:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-09-10 02:49:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-10 02:49:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2019-09-10 02:49:14,151 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 69 [2019-09-10 02:49:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:14,152 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2019-09-10 02:49:14,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2019-09-10 02:49:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-10 02:49:14,155 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:14,155 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:49:14,156 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:14,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:14,156 INFO L82 PathProgramCache]: Analyzing trace with hash -760855184, now seen corresponding path program 1 times [2019-09-10 02:49:14,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:14,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:14,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:14,159 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:14,960 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:15,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:15 BoogieIcfgContainer [2019-09-10 02:49:15,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:15,135 INFO L168 Benchmark]: Toolchain (without parser) took 5060.62 ms. Allocated memory was 133.7 MB in the beginning and 258.5 MB in the end (delta: 124.8 MB). Free memory was 88.3 MB in the beginning and 107.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,136 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.72 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,138 INFO L168 Benchmark]: Boogie Preprocessor took 94.08 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 162.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,139 INFO L168 Benchmark]: RCFGBuilder took 1274.34 ms. Allocated memory is still 200.3 MB. Free memory was 162.1 MB in the beginning and 81.4 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,140 INFO L168 Benchmark]: TraceAbstraction took 2972.51 ms. Allocated memory was 200.3 MB in the beginning and 258.5 MB in the end (delta: 58.2 MB). Free memory was 80.8 MB in the beginning and 107.8 MB in the end (delta: -27.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:15,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.72 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.08 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 162.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1274.34 ms. Allocated memory is still 200.3 MB. Free memory was 162.1 MB in the beginning and 81.4 MB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2972.51 ms. Allocated memory was 200.3 MB in the beginning and 258.5 MB in the end (delta: 58.2 MB). Free memory was 80.8 MB in the beginning and 107.8 MB in the end (delta: -27.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L370] int retValue_acc ; [L371] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L375] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L377] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L381] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L382] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L364] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=10, waterLevel=1] [L254] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L254] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=10, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=10, tmp___0=0, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=10, tmp___0=0, tmp___2=8, waterLevel=2] [L285] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L847] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L853] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L857] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L863] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 207 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 555 SDtfs, 236 SDslu, 727 SDs, 0 SdLazy, 168 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 291 ConstructedInterpolants, 0 QuantifiedInterpolants, 28729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...