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_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:57:41,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:57:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:57:41,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:57:41,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:57:41,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:57:41,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:57:41,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:57:41,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:57:41,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:57:41,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:57:41,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:57:41,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:57:41,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:57:41,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:57:41,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:57:41,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:57:41,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:57:41,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:57:41,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:57:41,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:57:41,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:57:41,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:57:41,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:57:41,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:57:41,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:57:41,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:57:41,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:57:41,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:57:41,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:57:41,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:57:41,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:57:41,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:57:41,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:57:41,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:57:41,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:57:41,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:57:41,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:57:41,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:57:41,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:57:41,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:57:41,676 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 06:57:41,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:57:41,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:57:41,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:57:41,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:57:41,714 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:57:41,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:57:41,715 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:57:41,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:57:41,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:57:41,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:57:41,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:57:41,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:57:41,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:57:41,716 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:57:41,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:57:41,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:57:41,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:57:41,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:57:41,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:57:41,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:57:41,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:57:41,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:57:41,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:57:41,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:57:41,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:57:41,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:57:41,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:57:41,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:57:41,721 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 06:57:42,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:57:42,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:57:42,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:57:42,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:57:42,041 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:57:42,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-10-15 06:57:42,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e730a648/b1e6440b05bf44229654dcbeb7e56fb8/FLAGd64a81145 [2019-10-15 06:57:42,691 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:57:42,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-10-15 06:57:42,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e730a648/b1e6440b05bf44229654dcbeb7e56fb8/FLAGd64a81145 [2019-10-15 06:57:42,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e730a648/b1e6440b05bf44229654dcbeb7e56fb8 [2019-10-15 06:57:42,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:57:42,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:57:42,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:42,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:57:42,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:57:42,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:42" (1/1) ... [2019-10-15 06:57:42,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b36d77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:42, skipping insertion in model container [2019-10-15 06:57:42,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:42" (1/1) ... [2019-10-15 06:57:43,000 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:57:43,076 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:57:43,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:43,512 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:57:43,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:43,669 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:57:43,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43 WrapperNode [2019-10-15 06:57:43,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:43,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:57:43,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:57:43,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:57:43,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (1/1) ... [2019-10-15 06:57:43,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:57:43,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:57:43,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:57:43,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:57:43,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:43" (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 06:57:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:57:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:57:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:57:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:57:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:57:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:57:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:57:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:57:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:57:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:57:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:57:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:57:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:57:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:57:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:57:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:57:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:57:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:57:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:57:43,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:57:43,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:57:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:57:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:57:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:57:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:57:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:57:45,435 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:57:45,436 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:57:45,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:45 BoogieIcfgContainer [2019-10-15 06:57:45,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:57:45,438 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:57:45,438 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:57:45,439 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:57:45,440 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:45" (1/1) ... [2019-10-15 06:57:45,441 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 06:57:45,471 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:57:45,471 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:57:45,483 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:57:45,496 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:57:45,497 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:57:55,450 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:57:57,374 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:57:57,535 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:57,682 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:57,838 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:58,090 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:57:58,113 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:57:58,210 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:57:58,217 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:57:58,581 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:57:58,834 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:57:59,569 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:58:00,005 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 06:58:00,342 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-10-15 06:58:00,714 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 06:58:00,866 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 179 [2019-10-15 06:58:01,218 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-15 06:58:02,256 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 177 [2019-10-15 06:58:03,550 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:58:03,553 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 139 for LOIs [2019-10-15 06:58:03,734 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 129 for LOIs [2019-10-15 06:58:03,742 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 142 for LOIs [2019-10-15 06:58:03,801 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:58:03,814 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:58:03,814 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:58:03,816 INFO L168 Benchmark]: Toolchain (without parser) took 20835.85 ms. Allocated memory was 138.9 MB in the beginning and 539.0 MB in the end (delta: 400.0 MB). Free memory was 102.5 MB in the beginning and 332.5 MB in the end (delta: -229.9 MB). Peak memory consumption was 170.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,817 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.54 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.3 MB in the beginning and 169.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,821 INFO L168 Benchmark]: Boogie Preprocessor took 91.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,822 INFO L168 Benchmark]: RCFGBuilder took 1675.80 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 150.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,823 INFO L168 Benchmark]: Sifa took 18376.49 ms. Allocated memory was 237.0 MB in the beginning and 539.0 MB in the end (delta: 302.0 MB). Free memory was 150.9 MB in the beginning and 332.5 MB in the end (delta: -181.6 MB). Peak memory consumption was 120.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:58:03,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.54 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.3 MB in the beginning and 169.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1675.80 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 150.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Sifa took 18376.49 ms. Allocated memory was 237.0 MB in the beginning and 539.0 MB in the end (delta: 302.0 MB). Free memory was 150.9 MB in the beginning and 332.5 MB in the end (delta: -181.6 MB). Peak memory consumption was 120.4 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]: 18331, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 191, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 122, TOOLS_POST_TIME[ms]: 12005, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 173, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 228, TOOLS_QUANTIFIERELIM_TIME[ms]: 12141, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11938, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 59, DOMAIN_JOIN_TIME[ms]: 5395, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 394, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 95, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3412, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3411, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12724, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12723, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 379, DAG_COMPRESSION_RETAINED_NODES: 211 - UnprovableResult [Line: 535]: 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 536#(and (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (= |#t~string27.offset| 0) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (not (= ~pumpRunning~0 0)) (<= ~waterLevel~0 2147483647) (<= ~waterLevel~0 0) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string5.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (= |#t~string17.offset| 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...