/usr/bin/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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:46:45,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:46:45,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:46:45,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:46:45,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:46:45,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:46:45,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:46:45,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:46:45,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:46:45,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:46:45,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:46:45,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:46:45,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:46:45,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:46:45,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:46:45,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:46:45,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:46:45,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:46:45,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:46:45,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:46:45,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:46:45,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:46:45,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:46:45,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:46:45,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:46:45,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:46:45,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:46:45,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:46:45,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:46:45,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:46:45,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:46:45,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:46:45,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:46:45,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:46:45,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:46:45,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:46:45,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:46:45,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:46:45,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:46:45,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:46:45,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:46:45,826 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 [2019-11-07 10:46:45,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:46:45,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:46:45,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:46:45,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:46:45,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:46:45,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:46:45,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:46:45,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:46:45,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:46:45,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:46:45,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:46:45,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:46:45,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:46:45,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:46:45,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:46:45,867 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:46:45,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:46:45,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:46:45,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:46:45,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:46:45,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:46:45,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:46:45,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:46:45,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:46:45,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:46:45,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:46:45,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:46:45,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:46:45,872 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 [2019-11-07 10:46:46,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:46:46,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:46:46,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:46:46,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:46:46,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:46:46,169 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-11-07 10:46:46,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c546a8777/195d63aa2f7d48acbc7e94601bbbee54/FLAG9398543b6 [2019-11-07 10:46:46,750 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:46:46,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-11-07 10:46:46,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c546a8777/195d63aa2f7d48acbc7e94601bbbee54/FLAG9398543b6 [2019-11-07 10:46:47,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c546a8777/195d63aa2f7d48acbc7e94601bbbee54 [2019-11-07 10:46:47,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:46:47,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:46:47,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:47,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:46:47,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:46:47,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e69e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47, skipping insertion in model container [2019-11-07 10:46:47,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,073 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:46:47,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:46:47,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:47,632 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:46:47,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:47,750 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:46:47,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47 WrapperNode [2019-11-07 10:46:47,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:47,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:46:47,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:46:47,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:46:47,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (1/1) ... [2019-11-07 10:46:47,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:46:47,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:46:47,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:46:47,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:46:47,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:47" (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 [2019-11-07 10:46:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:46:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:46:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:46:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:46:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:46:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:46:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:46:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:46:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:46:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:46:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:46:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:46:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:46:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:46:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:46:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:46:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:46:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:46:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:46:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:46:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:46:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:46:49,531 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:46:49,531 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:46:49,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:49 BoogieIcfgContainer [2019-11-07 10:46:49,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:46:49,534 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:46:49,534 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:46:49,534 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:46:49,536 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:49" (1/1) ... [2019-11-07 10:46:49,536 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 [2019-11-07 10:46:49,569 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:46:49,569 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:46:49,583 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:46:49,598 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:46:49,600 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:46:59,765 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:47:01,376 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:47:01,512 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:47:01,531 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 482 for LOIs [2019-11-07 10:47:01,576 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 482 for LOIs [2019-11-07 10:47:01,592 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 482 for LOIs [2019-11-07 10:47:02,084 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2019-11-07 10:47:02,390 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 10:47:02,944 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2019-11-07 10:47:03,215 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-07 10:47:04,035 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-11-07 10:47:04,173 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-11-07 10:47:04,406 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2019-11-07 10:47:04,524 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-11-07 10:47:04,636 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2019-11-07 10:47:04,865 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 608 [2019-11-07 10:47:04,993 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2019-11-07 10:47:05,028 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:47:05,030 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-11-07 10:47:05,429 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:47:05,438 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:47:05,439 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:47:05,458 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:47:05,459 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:47:05,460 INFO L168 Benchmark]: Toolchain (without parser) took 18401.18 ms. Allocated memory was 137.4 MB in the beginning and 418.4 MB in the end (delta: 281.0 MB). Free memory was 101.1 MB in the beginning and 304.9 MB in the end (delta: -203.8 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:05,461 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:47:05,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.09 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 170.4 MB in the end (delta: -69.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:05,463 INFO L168 Benchmark]: Boogie Preprocessor took 113.73 ms. Allocated memory is still 202.4 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:05,464 INFO L168 Benchmark]: RCFGBuilder took 1667.57 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 145.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:05,465 INFO L168 Benchmark]: Sifa took 15925.14 ms. Allocated memory was 233.3 MB in the beginning and 418.4 MB in the end (delta: 185.1 MB). Free memory was 145.2 MB in the beginning and 304.9 MB in the end (delta: -159.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:47:05,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.09 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 101.1 MB in the beginning and 170.4 MB in the end (delta: -69.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.73 ms. Allocated memory is still 202.4 MB. Free memory was 170.4 MB in the beginning and 165.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1667.57 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 145.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * Sifa took 15925.14 ms. Allocated memory was 233.3 MB in the beginning and 418.4 MB in the end (delta: 185.1 MB). Free memory was 145.2 MB in the beginning and 304.9 MB in the end (delta: -159.7 MB). Peak memory consumption was 25.4 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]: 15870, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 34, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 117, TOOLS_POST_TIME[ms]: 11877, TOOLS_POST_CALL_APPLICATIONS: 56, TOOLS_POST_CALL_TIME[ms]: 155, TOOLS_POST_RETURN_APPLICATIONS: 49, TOOLS_POST_RETURN_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_APPLICATIONS: 221, TOOLS_QUANTIFIERELIM_TIME[ms]: 12008, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11809, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 212, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 3340, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 160, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 84, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1352, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1351, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 49, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12069, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12068, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 461, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 930]: 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 438#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string8.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (= |#t~string23.offset| 0) (<= |#t~string8.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= |#t~string31.offset| 0) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string35.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...