java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 12:22:00,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 12:22:00,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 12:22:00,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 12:22:00,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 12:22:00,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 12:22:00,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 12:22:00,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 12:22:00,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 12:22:00,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 12:22:00,176 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 12:22:00,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 12:22:00,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 12:22:00,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 12:22:00,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 12:22:00,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 12:22:00,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 12:22:00,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 12:22:00,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 12:22:00,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 12:22:00,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 12:22:00,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 12:22:00,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 12:22:00,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 12:22:00,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 12:22:00,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 12:22:00,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 12:22:00,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 12:22:00,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 12:22:00,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 12:22:00,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 12:22:00,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 12:22:00,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 12:22:00,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 12:22:00,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 12:22:00,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 12:22:00,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 12:22:00,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 12:22:00,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 12:22:00,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 12:22:00,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 12:22:00,202 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 [2019-08-08 12:22:00,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 12:22:00,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 12:22:00,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 12:22:00,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 12:22:00,218 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 12:22:00,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 12:22:00,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 12:22:00,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 12:22:00,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 12:22:00,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 12:22:00,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 12:22:00,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 12:22:00,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 12:22:00,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 12:22:00,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 12:22:00,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 12:22:00,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 12:22:00,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 12:22:00,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 12:22:00,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 12:22:00,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 12:22:00,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 12:22:00,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 12:22:00,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 12:22:00,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 12:22:00,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 12:22:00,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 12:22:00,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 12:22:00,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 12:22:00,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 12:22:00,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 12:22:00,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 12:22:00,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 12:22:00,268 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 12:22:00,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2019-08-08 12:22:00,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de19ef81/93e96772282f4d2c9f5895c067b94cc8/FLAGb046ee41a [2019-08-08 12:22:00,801 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 12:22:00,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2019-08-08 12:22:00,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de19ef81/93e96772282f4d2c9f5895c067b94cc8/FLAGb046ee41a [2019-08-08 12:22:01,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de19ef81/93e96772282f4d2c9f5895c067b94cc8 [2019-08-08 12:22:01,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 12:22:01,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 12:22:01,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 12:22:01,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 12:22:01,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 12:22:01,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325d6635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01, skipping insertion in model container [2019-08-08 12:22:01,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 12:22:01,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 12:22:01,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:22:01,687 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 12:22:01,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 12:22:01,814 INFO L192 MainTranslator]: Completed translation [2019-08-08 12:22:01,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01 WrapperNode [2019-08-08 12:22:01,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 12:22:01,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 12:22:01,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 12:22:01,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 12:22:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (1/1) ... [2019-08-08 12:22:01,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 12:22:01,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 12:22:01,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 12:22:01,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 12:22:01,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 12:22:01" (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 [2019-08-08 12:22:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 12:22:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 12:22:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-08-08 12:22:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-08-08 12:22:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-08-08 12:22:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-08-08 12:22:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-08-08 12:22:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-08-08 12:22:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-08-08 12:22:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-08-08 12:22:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-08-08 12:22:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-08-08 12:22:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-08-08 12:22:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-08-08 12:22:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 12:22:01,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-08-08 12:22:01,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 12:22:01,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 12:22:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-08-08 12:22:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-08-08 12:22:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-08-08 12:22:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-08-08 12:22:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-08-08 12:22:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-08-08 12:22:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-08-08 12:22:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-08-08 12:22:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 12:22:01,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 12:22:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 12:22:03,462 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 12:22:03,463 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-08 12:22:03,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:22:03 BoogieIcfgContainer [2019-08-08 12:22:03,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 12:22:03,465 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 12:22:03,465 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 12:22:03,466 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 12:22:03,467 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 12:22:03" (1/1) ... [2019-08-08 12:22:03,478 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 12:22:03,481 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 12:22:03,489 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 12:22:03,497 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 12:22:03,499 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 12:22:03,575 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 452 [2019-08-08 12:22:03,628 INFO L185 IcfgInterpreter]: Interpreting procedure runTest with input of size 452 [2019-08-08 12:22:03,635 INFO L185 IcfgInterpreter]: Interpreting procedure test with input of size 452 [2019-08-08 12:22:04,146 INFO L185 IcfgInterpreter]: Interpreting procedure cleanup with input of size 12 [2019-08-08 12:22:04,196 INFO L185 IcfgInterpreter]: Interpreting procedure timeShift with input of size 1 [2019-08-08 12:22:04,199 INFO L185 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 18 [2019-08-08 12:22:04,203 INFO L185 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 34 [2019-08-08 12:22:04,204 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 12:22:04,204 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 12:22:04,207 INFO L179 IcfgInterpreter]: Location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 652#(and (= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= 2 ~waterLevel~0) (or (and (or (and (or (< 0 (+ ~waterLevel~0 1)) (not (< 0 ~waterLevel~0))) (not (= ~pumpRunning~0 0))) (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) (not (= 0 ~systemActive~0))) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648))) [2019-08-08 12:22:04,208 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 12:22:04,216 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 12:22:04,218 INFO L168 Benchmark]: Toolchain (without parser) took 3109.93 ms. Allocated memory was 136.8 MB in the beginning and 217.1 MB in the end (delta: 80.2 MB). Free memory was 83.7 MB in the beginning and 114.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,219 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 83.2 MB in the beginning and 167.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,224 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 162.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,225 INFO L168 Benchmark]: RCFGBuilder took 1561.87 ms. Allocated memory is still 199.2 MB. Free memory was 162.9 MB in the beginning and 84.2 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,226 INFO L168 Benchmark]: Symbolic Interpretation took 750.65 ms. Allocated memory was 199.2 MB in the beginning and 217.1 MB in the end (delta: 17.8 MB). Free memory was 84.2 MB in the beginning and 114.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-08-08 12:22:04,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 927]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 83.2 MB in the beginning and 167.5 MB in the end (delta: -84.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 199.2 MB. Free memory was 167.5 MB in the beginning and 162.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1561.87 ms. Allocated memory is still 199.2 MB. Free memory was 162.9 MB in the beginning and 84.2 MB in the end (delta: 78.7 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 750.65 ms. Allocated memory was 199.2 MB in the beginning and 217.1 MB in the end (delta: 17.8 MB). Free memory was 84.2 MB in the beginning and 114.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...