java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:17:37,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:17:37,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:17:37,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:17:37,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:17:37,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:17:37,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:17:37,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:17:37,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:17:37,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:17:37,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:17:37,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:17:37,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:17:37,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:17:37,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:17:37,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:17:37,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:17:37,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:17:37,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:17:37,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:17:37,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:17:37,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:17:37,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:17:37,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:17:37,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:17:37,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:17:37,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:17:37,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:17:37,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:17:37,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:17:37,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:17:37,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:17:37,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:17:37,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:17:37,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:17:37,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:17:37,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:17:37,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:17:37,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:17:37,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:17:37,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:17:37,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:17:38,005 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:17:38,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:17:38,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:17:38,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:17:38,008 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:17:38,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:17:38,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:17:38,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:17:38,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:17:38,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:17:38,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:17:38,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:17:38,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:17:38,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:17:38,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:17:38,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:17:38,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:17:38,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:17:38,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:17:38,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:17:38,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:17:38,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:17:38,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:17:38,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:17:38,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:17:38,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:17:38,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:17:38,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:17:38,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:17:38,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:17:38,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:17:38,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:17:38,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:17:38,076 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:17:38,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-09-21 09:17:38,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eed2f09e/0d332cf5a13c4383b6deaa50a1369691/FLAGe57ff6fb4 [2019-09-21 09:17:38,634 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:17:38,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-09-21 09:17:38,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eed2f09e/0d332cf5a13c4383b6deaa50a1369691/FLAGe57ff6fb4 [2019-09-21 09:17:38,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eed2f09e/0d332cf5a13c4383b6deaa50a1369691 [2019-09-21 09:17:38,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:17:38,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:17:38,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:17:38,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:17:39,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:17:39,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:17:38" (1/1) ... [2019-09-21 09:17:39,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39, skipping insertion in model container [2019-09-21 09:17:39,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:17:38" (1/1) ... [2019-09-21 09:17:39,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:17:39,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:17:39,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:17:39,489 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:17:39,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:17:39,631 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:17:39,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39 WrapperNode [2019-09-21 09:17:39,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:17:39,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:17:39,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:17:39,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:17:39,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... [2019-09-21 09:17:39,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:17:39,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:17:39,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:17:39,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:17:39,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:17:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:17:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:17:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:17:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:17:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:17:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:17:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:17:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:17:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:17:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:17:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:17:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:17:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:17:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:17:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:17:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:17:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:17:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:17:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:17:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:17:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:17:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:17:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:17:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:17:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:17:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:17:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:17:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:17:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:17:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:17:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:17:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:17:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:17:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:17:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:17:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-21 09:17:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:17:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:17:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:17:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:17:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:17:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:17:41,958 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:17:41,958 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:17:41,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:17:41 BoogieIcfgContainer [2019-09-21 09:17:41,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:17:41,960 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:17:41,961 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:17:41,961 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:17:41,962 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:17:41" (1/1) ... [2019-09-21 09:17:41,963 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:17:42,001 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:17:42,001 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:17:42,013 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:17:42,026 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:17:42,028 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:17:51,728 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:17:53,684 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:17:53,826 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:17:53,886 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-21 09:17:53,938 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-21 09:17:53,948 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-21 09:17:55,964 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:17:55,975 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-21 09:17:56,005 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 109 for LOIs [2019-09-21 09:17:56,016 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 110 for LOIs [2019-09-21 09:17:56,031 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:17:56,032 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:17:56,034 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 337#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= 0 |#t~string47.offset|) (<= 0 |#t~string38.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-21 09:17:56,051 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:17:56,051 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:17:56,054 INFO L168 Benchmark]: Toolchain (without parser) took 17054.50 ms. Allocated memory was 135.3 MB in the beginning and 385.9 MB in the end (delta: 250.6 MB). Free memory was 84.0 MB in the beginning and 74.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 260.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,055 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.67 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 83.8 MB in the beginning and 164.8 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,059 INFO L168 Benchmark]: Boogie Preprocessor took 93.39 ms. Allocated memory is still 198.7 MB. Free memory was 164.8 MB in the beginning and 160.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,060 INFO L168 Benchmark]: RCFGBuilder took 2233.99 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 160.5 MB in the beginning and 147.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,061 INFO L168 Benchmark]: Sifa took 14090.85 ms. Allocated memory was 220.2 MB in the beginning and 385.9 MB in the end (delta: 165.7 MB). Free memory was 147.3 MB in the beginning and 74.3 MB in the end (delta: 73.0 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:17:56,065 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.67 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 83.8 MB in the beginning and 164.8 MB in the end (delta: -81.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.39 ms. Allocated memory is still 198.7 MB. Free memory was 164.8 MB in the beginning and 160.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2233.99 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 160.5 MB in the beginning and 147.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 14090.85 ms. Allocated memory was 220.2 MB in the beginning and 385.9 MB in the end (delta: 165.7 MB). Free memory was 147.3 MB in the beginning and 74.3 MB in the end (delta: 73.0 MB). Peak memory consumption was 238.7 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]: 14033, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 215, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 140, TOOLS_POST_TIME[ms]: 11809, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 176, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 81, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME[ms]: 11955, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11723, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 221, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 1665, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 106, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1581, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1580, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11854, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11853, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 376, DAG_COMPRESSION_RETAINED_NODES: 188 - UnprovableResult [Line: 690]: 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 337#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 ~switchedOnBeforeTS~0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= 0 |#t~string49.offset|) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= 0 |#t~string47.offset|) (<= 0 |#t~string38.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string57.offset|) (<= |#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...