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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:54:49,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:54:49,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:54:49,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:54:49,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:54:49,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:54:49,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:54:49,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:54:49,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:54:49,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:54:49,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:54:49,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:54:49,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:54:49,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:54:49,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:54:49,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:54:49,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:54:49,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:54:49,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:54:49,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:54:49,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:54:49,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:54:49,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:54:49,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:54:49,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:54:49,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:54:49,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:54:49,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:54:49,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:54:49,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:54:49,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:54:49,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:54:49,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:54:49,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:54:49,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:54:49,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:54:49,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:54:49,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:54:49,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:54:49,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:54:49,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:54:49,943 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 [2019-10-15 06:54:49,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:54:49,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:54:49,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:54:49,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:54:49,959 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:54:49,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:54:49,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:54:49,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:54:49,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:54:49,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:54:49,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:54:49,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:54:49,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:54:49,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:54:49,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:54:49,961 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:54:49,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:54:49,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:54:49,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:54:49,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:54:49,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:54:49,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:54:49,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:54:49,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:54:49,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:54:49,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:54:49,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:54:49,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:54:49,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:54:50,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:54:50,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:54:50,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:54:50,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:54:50,264 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:54:50,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-10-15 06:54:50,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5704f5ef5/f80b2ea78e85483c997613641fa32493/FLAGd2d120961 [2019-10-15 06:54:50,898 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:54:50,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-10-15 06:54:50,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5704f5ef5/f80b2ea78e85483c997613641fa32493/FLAGd2d120961 [2019-10-15 06:54:51,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5704f5ef5/f80b2ea78e85483c997613641fa32493 [2019-10-15 06:54:51,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:54:51,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:54:51,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:54:51,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:54:51,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:54:51,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592a4aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51, skipping insertion in model container [2019-10-15 06:54:51,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:54:51,277 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:54:51,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:54:51,710 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:54:51,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:54:51,832 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:54:51,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51 WrapperNode [2019-10-15 06:54:51,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:54:51,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:54:51,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:54:51,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:54:51,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (1/1) ... [2019-10-15 06:54:51,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:54:51,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:54:51,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:54:51,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:54:51,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:54:51" (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 [2019-10-15 06:54:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:54:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:54:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:54:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:54:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:54:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:54:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:54:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:54:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:54:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:54:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:54:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:54:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:54:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:54:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:54:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:54:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:54:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:54:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:54:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:54:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:54:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:54:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:54:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:54:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:54:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:54:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:54:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:54:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:54:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:54:53,621 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:54:53,622 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:54:53,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:54:53 BoogieIcfgContainer [2019-10-15 06:54:53,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:54:53,624 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:54:53,624 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:54:53,624 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:54:53,626 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:54:53" (1/1) ... [2019-10-15 06:54:53,626 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:54:53,653 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:54:53,653 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:54:53,663 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:54:53,673 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:54:53,674 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:55:03,392 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 06:55:05,166 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:55:05,318 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:05,467 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:05,627 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:55:05,872 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:55:05,891 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-15 06:55:05,952 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-15 06:55:05,971 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-15 06:55:06,635 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 06:55:06,881 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:55:07,101 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 06:55:07,389 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 183 [2019-10-15 06:55:07,700 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-15 06:55:08,059 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-15 06:55:08,936 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-15 06:55:09,737 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:55:09,741 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-10-15 06:55:09,979 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 133 for LOIs [2019-10-15 06:55:09,989 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 146 for LOIs [2019-10-15 06:55:10,064 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:55:10,083 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:55:10,083 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:55:10,086 INFO L168 Benchmark]: Toolchain (without parser) took 18893.57 ms. Allocated memory was 138.4 MB in the beginning and 493.9 MB in the end (delta: 355.5 MB). Free memory was 102.2 MB in the beginning and 170.5 MB in the end (delta: -68.2 MB). Peak memory consumption was 287.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:10,087 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:55:10,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.92 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 172.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:10,091 INFO L168 Benchmark]: Boogie Preprocessor took 105.25 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:10,102 INFO L168 Benchmark]: RCFGBuilder took 1683.82 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 151.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:10,103 INFO L168 Benchmark]: Sifa took 16459.57 ms. Allocated memory was 237.0 MB in the beginning and 493.9 MB in the end (delta: 256.9 MB). Free memory was 151.6 MB in the beginning and 170.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 238.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:55:10,112 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 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.92 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 101.8 MB in the beginning and 172.7 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.25 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1683.82 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.4 MB in the beginning and 151.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * Sifa took 16459.57 ms. Allocated memory was 237.0 MB in the beginning and 493.9 MB in the end (delta: 256.9 MB). Free memory was 151.6 MB in the beginning and 170.5 MB in the end (delta: -18.9 MB). Peak memory consumption was 238.0 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]: 16412, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 169, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME[ms]: 11634, TOOLS_POST_CALL_APPLICATIONS: 51, TOOLS_POST_CALL_TIME[ms]: 136, TOOLS_POST_RETURN_APPLICATIONS: 44, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 203, TOOLS_QUANTIFIERELIM_TIME[ms]: 11751, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11579, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 4072, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 283, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 68, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3050, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3049, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 44, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12374, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12373, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 328, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 778]: 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 485#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...