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_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:27:58,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:27:58,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:27:58,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:27:58,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:27:58,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:27:58,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:27:59,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:27:59,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:27:59,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:27:59,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:27:59,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:27:59,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:27:59,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:27:59,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:27:59,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:27:59,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:27:59,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:27:59,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:27:59,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:27:59,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:27:59,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:27:59,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:27:59,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:27:59,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:27:59,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:27:59,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:27:59,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:27:59,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:27:59,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:27:59,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:27:59,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:27:59,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:27:59,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:27:59,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:27:59,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:27:59,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:27:59,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:27:59,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:27:59,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:27:59,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:27:59,032 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 11:27:59,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:27:59,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:27:59,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:27:59,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:27:59,049 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:27:59,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:27:59,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:27:59,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:27:59,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:27:59,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:27:59,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:27:59,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:27:59,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:27:59,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:27:59,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:27:59,051 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:27:59,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:27:59,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:27:59,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:27:59,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:27:59,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:27:59,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:27:59,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:27:59,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:27:59,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:27:59,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:27:59,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:27:59,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:27:59,053 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 11:27:59,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:27:59,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:27:59,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:27:59,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:27:59,113 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:27:59,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-09-06 11:27:59,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b3a76e2/c5301c2c257a4b01bbaeaa84e53fb539/FLAGc41329f8a [2019-09-06 11:27:59,722 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:27:59,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-09-06 11:27:59,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b3a76e2/c5301c2c257a4b01bbaeaa84e53fb539/FLAGc41329f8a [2019-09-06 11:27:59,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35b3a76e2/c5301c2c257a4b01bbaeaa84e53fb539 [2019-09-06 11:27:59,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:27:59,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:27:59,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:27:59,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:27:59,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:28:00,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:27:59" (1/1) ... [2019-09-06 11:28:00,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200cb388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00, skipping insertion in model container [2019-09-06 11:28:00,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:27:59" (1/1) ... [2019-09-06 11:28:00,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:28:00,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:28:00,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:28:00,485 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:28:00,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:28:00,628 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:28:00,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00 WrapperNode [2019-09-06 11:28:00,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:28:00,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:28:00,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:28:00,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:28:00,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (1/1) ... [2019-09-06 11:28:00,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:28:00,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:28:00,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:28:00,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:28:00,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:28:00" (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 11:28:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:28:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:28:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-06 11:28:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-06 11:28:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-06 11:28:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-06 11:28:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-06 11:28:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-06 11:28:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-06 11:28:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:28:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-06 11:28:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-06 11:28:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-06 11:28:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-06 11:28:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-06 11:28:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-06 11:28:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-06 11:28:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-06 11:28:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 11:28:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-06 11:28:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-06 11:28:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-06 11:28:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-06 11:28:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-06 11:28:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:28:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-06 11:28:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-06 11:28:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:28:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 11:28:00,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:28:01,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:28:01,949 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:28:01,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:28:01 BoogieIcfgContainer [2019-09-06 11:28:01,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:28:01,952 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:28:01,952 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:28:01,953 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:28:01,954 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:28:01" (1/1) ... [2019-09-06 11:28:01,955 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 11:28:01,987 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:28:01,988 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:28:02,004 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:28:02,019 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:28:02,021 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:28:02,211 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-06 11:28:02,296 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-06 11:28:02,313 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-06 11:28:05,300 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-06 11:28:05,304 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-06 11:28:05,350 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 105 for LOIs [2019-09-06 11:28:05,400 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 105 for LOIs [2019-09-06 11:28:05,404 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:28:05,404 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:28:05,407 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1085#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string48.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= 0 |#t~string73.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string26.offset| 0)) [2019-09-06 11:28:05,428 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:28:05,428 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:28:05,434 INFO L168 Benchmark]: Toolchain (without parser) took 5437.26 ms. Allocated memory was 132.1 MB in the beginning and 331.9 MB in the end (delta: 199.8 MB). Free memory was 87.7 MB in the beginning and 244.2 MB in the end (delta: -156.5 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,437 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.45 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 164.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,440 INFO L168 Benchmark]: Boogie Preprocessor took 84.28 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,441 INFO L168 Benchmark]: RCFGBuilder took 1237.39 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.6 MB in the beginning and 188.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,451 INFO L168 Benchmark]: Sifa took 3477.60 ms. Allocated memory was 222.3 MB in the beginning and 331.9 MB in the end (delta: 109.6 MB). Free memory was 188.7 MB in the beginning and 244.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:28:05,460 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.45 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 164.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.28 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.39 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.6 MB in the beginning and 188.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 3477.60 ms. Allocated memory was 222.3 MB in the beginning and 331.9 MB in the end (delta: 109.6 MB). Free memory was 188.7 MB in the beginning and 244.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 54.0 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]: 3420, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 687, DAG_INTERPRETER_EARLY_EXITS: 9, TOOLS_POST_APPLICATIONS: 510, TOOLS_POST_TIME[ms]: 364, TOOLS_POST_CALL_APPLICATIONS: 144, TOOLS_POST_CALL_TIME[ms]: 374, TOOLS_POST_RETURN_APPLICATIONS: 137, TOOLS_POST_RETURN_TIME[ms]: 387, TOOLS_QUANTIFIERELIM_TIME[ms]: 812, FLUID_QUERY_TIME[ms]: 34, FLUID_QUERIES: 703, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 219, DOMAIN_JOIN_TIME[ms]: 638, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 19, DOMAIN_ISSUBSETEQ_APPLICATIONS: 302, DOMAIN_ISSUBSETEQ_TIME[ms]: 862, DOMAIN_ISBOTTOM_APPLICATIONS: 141, DOMAIN_ISBOTTOM_TIME[ms]: 468, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2551, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2550, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 137, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1986, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 822, DAG_COMPRESSION_RETAINED_NODES: 343 - UnprovableResult [Line: 44]: 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 1085#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string48.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= 0 |#t~string73.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string26.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...