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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:28:45,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:28:45,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:28:45,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:28:45,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:28:45,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:28:45,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:28:45,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:28:45,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:28:45,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:28:45,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:28:45,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:28:45,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:28:45,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:28:45,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:28:45,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:28:45,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:28:45,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:28:45,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:28:45,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:28:45,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:28:45,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:28:45,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:28:45,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:28:45,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:28:45,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:28:45,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:28:45,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:28:45,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:28:45,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:28:45,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:28:45,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:28:45,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:28:45,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:28:45,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:28:45,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:28:45,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:28:45,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:28:45,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:28:45,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:28:45,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:28:45,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 11:28:45,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:28:45,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:28:45,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:28:45,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:28:45,206 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:28:45,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:28:45,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:28:45,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:28:45,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:28:45,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:28:45,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:28:45,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:28:45,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:28:45,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:28:45,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:28:45,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:28:45,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:28:45,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:28:45,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:28:45,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:28:45,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:28:45,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:28:45,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:28:45,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:28:45,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:28:45,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:28:45,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:28:45,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:28:45,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:28:45,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:28:45,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:28:45,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:28:45,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:28:45,274 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:28:45,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2019-09-06 11:28:45,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a45ece4/3f60bfa5abb847498f28e63b9809c767/FLAG18f9308c5 [2019-09-06 11:28:45,850 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:28:45,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2019-09-06 11:28:45,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a45ece4/3f60bfa5abb847498f28e63b9809c767/FLAG18f9308c5 [2019-09-06 11:28:46,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90a45ece4/3f60bfa5abb847498f28e63b9809c767 [2019-09-06 11:28:46,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:28:46,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:28:46,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:28:46,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:28:46,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:28:46,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7205acb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46, skipping insertion in model container [2019-09-06 11:28:46,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:28:46,199 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:28:46,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:28:46,641 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:28:46,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:28:46,772 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:28:46,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46 WrapperNode [2019-09-06 11:28:46,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:28:46,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:28:46,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:28:46,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:28:46,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (1/1) ... [2019-09-06 11:28:46,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:28:46,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:28:46,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:28:46,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:28:46,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:46" (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 [2019-09-06 11:28:46,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:28:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:28:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-06 11:28:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-06 11:28:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-06 11:28:46,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-06 11:28:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-06 11:28:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-06 11:28:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-06 11:28:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-06 11:28:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-06 11:28:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-06 11:28:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-06 11:28:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-06 11:28:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-06 11:28:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-06 11:28:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-06 11:28:46,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-06 11:28:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:28:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:28:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 11:28:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 11:28:46,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-06 11:28:46,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-06 11:28:46,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:28:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-06 11:28:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-06 11:28:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-06 11:28:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-06 11:28:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-06 11:28:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:28:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 11:28:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:28:47,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:28:47,983 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:28:47,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:28:47 BoogieIcfgContainer [2019-09-06 11:28:47,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:28:47,985 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:28:47,985 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:28:47,986 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:28:47,987 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:28:47" (1/1) ... [2019-09-06 11:28:47,987 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:28:48,011 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:28:48,011 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:28:48,020 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:28:48,030 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:28:48,031 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:28:48,143 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-06 11:28:48,191 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-06 11:28:48,195 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-06 11:28:49,876 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-06 11:28:49,878 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 108 for LOIs [2019-09-06 11:28:49,900 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 108 for LOIs [2019-09-06 11:28:49,939 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 108 for LOIs [2019-09-06 11:28:49,941 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:28:49,941 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:28:49,943 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 609#(or (and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 1 ~waterLevel~0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) (and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 1 ~waterLevel~0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|))) [2019-09-06 11:28:49,957 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:28:49,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:28:49,960 INFO L168 Benchmark]: Toolchain (without parser) took 3834.34 ms. Allocated memory was 133.2 MB in the beginning and 328.2 MB in the end (delta: 195.0 MB). Free memory was 88.7 MB in the beginning and 257.0 MB in the end (delta: -168.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,961 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.47 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 165.4 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,962 INFO L168 Benchmark]: Boogie Preprocessor took 105.99 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 160.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,964 INFO L168 Benchmark]: RCFGBuilder took 1104.64 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.6 MB in the beginning and 194.0 MB in the end (delta: -33.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,965 INFO L168 Benchmark]: Sifa took 1971.77 ms. Allocated memory was 224.4 MB in the beginning and 328.2 MB in the end (delta: 103.8 MB). Free memory was 194.0 MB in the beginning and 257.0 MB in the end (delta: -63.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:49,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.47 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 165.4 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.99 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 160.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1104.64 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 160.6 MB in the beginning and 194.0 MB in the end (delta: -33.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * Sifa took 1971.77 ms. Allocated memory was 224.4 MB in the beginning and 328.2 MB in the end (delta: 103.8 MB). Free memory was 194.0 MB in the beginning and 257.0 MB in the end (delta: -63.0 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1932, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 381, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 260, TOOLS_POST_TIME[ms]: 212, TOOLS_POST_CALL_APPLICATIONS: 90, TOOLS_POST_CALL_TIME[ms]: 255, TOOLS_POST_RETURN_APPLICATIONS: 83, TOOLS_POST_RETURN_TIME[ms]: 277, TOOLS_QUANTIFIERELIM_TIME[ms]: 572, FLUID_QUERY_TIME[ms]: 22, FLUID_QUERIES: 389, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 122, DOMAIN_JOIN_TIME[ms]: 446, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 131, DOMAIN_ISSUBSETEQ_TIME[ms]: 326, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 212, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1245, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1244, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 83, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 815, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 40, DAG_COMPRESSION_PROCESSED_NODES: 514, DAG_COMPRESSION_RETAINED_NODES: 270 - UnprovableResult [Line: 927]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 609#(or (and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 1 ~waterLevel~0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) (and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= |#t~string70.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 1 ~waterLevel~0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...