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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:31:25,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:31:25,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:31:25,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:31:25,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:31:25,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:31:25,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:31:25,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:31:25,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:31:25,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:31:25,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:31:25,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:31:25,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:31:25,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:31:25,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:31:25,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:31:25,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:31:25,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:31:25,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:31:25,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:31:25,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:31:25,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:31:25,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:31:25,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:31:25,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:31:25,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:31:25,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:31:25,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:31:25,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:31:25,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:31:25,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:31:25,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:31:25,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:31:25,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:31:25,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:31:25,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:31:25,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:31:25,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:31:25,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:31:25,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:31:25,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:31:25,825 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 [2019-09-20 16:31:25,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:31:25,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:31:25,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:31:25,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:31:25,847 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:31:25,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:31:25,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:31:25,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:31:25,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:31:25,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:31:25,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:31:25,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:31:25,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:31:25,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:31:25,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:31:25,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:31:25,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:31:25,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:31:25,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:31:25,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:31:25,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:31:25,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:31:25,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:31:25,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:31:25,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:31:25,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:31:25,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:31:25,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:31:25,854 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_DDA [2019-09-20 16:31:25,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:31:25,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:31:25,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:31:25,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:31:25,944 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:31:25,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-09-20 16:31:26,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5458845/8db91ad8fc88494d8a78031226862e71/FLAGbf3cfb377 [2019-09-20 16:31:26,538 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:31:26,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-09-20 16:31:26,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5458845/8db91ad8fc88494d8a78031226862e71/FLAGbf3cfb377 [2019-09-20 16:31:26,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f5458845/8db91ad8fc88494d8a78031226862e71 [2019-09-20 16:31:26,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:31:26,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:31:26,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:31:26,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:31:26,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:31:26,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:31:26" (1/1) ... [2019-09-20 16:31:26,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a52633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:26, skipping insertion in model container [2019-09-20 16:31:26,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:31:26" (1/1) ... [2019-09-20 16:31:26,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:31:26,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:31:27,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:31:27,380 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:31:27,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:31:27,508 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:31:27,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27 WrapperNode [2019-09-20 16:31:27,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:31:27,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:31:27,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:31:27,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:31:27,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (1/1) ... [2019-09-20 16:31:27,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:31:27,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:31:27,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:31:27,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:31:27,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:31:27" (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 [2019-09-20 16:31:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:31:27,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:31:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:31:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:31:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:31:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:31:27,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:31:27,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:31:27,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:31:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:31:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:31:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:31:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:31:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:31:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:31:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:31:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:31:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:31:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:31:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:31:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:31:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:31:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:31:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:31:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:31:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:31:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:31:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:31:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:31:29,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:31:29,208 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:31:29,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:31:29 BoogieIcfgContainer [2019-09-20 16:31:29,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:31:29,210 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:31:29,210 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:31:29,211 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:31:29,212 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:31:29" (1/1) ... [2019-09-20 16:31:29,212 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:31:29,240 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:31:29,240 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:31:29,250 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:31:29,260 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:31:29,262 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:31:54,370 WARN L191 SmtUtils]: Spent 15.34 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:31:56,095 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:32:00,037 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:32:00,324 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:32:00,335 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 110 for LOIs [2019-09-20 16:32:00,399 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 110 for LOIs [2019-09-20 16:32:00,404 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 110 for LOIs [2019-09-20 16:32:00,838 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:01,148 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:01,509 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:01,828 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:02,169 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:02,489 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:03,532 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:32:04,487 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:32:04,809 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:05,732 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-20 16:32:06,704 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:32:07,609 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:32:07,938 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:32:08,850 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-20 16:32:08,854 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:32:08,857 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-20 16:32:09,140 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:32:09,142 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 103 for LOIs [2019-09-20 16:32:09,150 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-20 16:32:09,396 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:32:09,396 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:32:09,397 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:32:09,399 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 178#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:32:09,412 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:32:09,413 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:32:09,414 INFO L168 Benchmark]: Toolchain (without parser) took 42583.35 ms. Allocated memory was 141.0 MB in the beginning and 469.2 MB in the end (delta: 328.2 MB). Free memory was 87.9 MB in the beginning and 368.0 MB in the end (delta: -280.2 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,415 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.80 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 87.7 MB in the beginning and 168.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,417 INFO L168 Benchmark]: Boogie Preprocessor took 84.43 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,418 INFO L168 Benchmark]: RCFGBuilder took 1615.22 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 164.6 MB in the beginning and 155.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,419 INFO L168 Benchmark]: Sifa took 40202.62 ms. Allocated memory was 228.6 MB in the beginning and 469.2 MB in the end (delta: 240.6 MB). Free memory was 155.4 MB in the beginning and 368.0 MB in the end (delta: -212.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:32:09,423 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 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.80 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 87.7 MB in the beginning and 168.8 MB in the end (delta: -81.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.43 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 165.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1615.22 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 164.6 MB in the beginning and 155.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * Sifa took 40202.62 ms. Allocated memory was 228.6 MB in the beginning and 469.2 MB in the end (delta: 240.6 MB). Free memory was 155.4 MB in the beginning and 368.0 MB in the end (delta: -212.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 40159, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 119, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 80, TOOLS_POST_TIME[ms]: 30740, TOOLS_POST_CALL_APPLICATIONS: 32, TOOLS_POST_CALL_TIME[ms]: 107, TOOLS_POST_RETURN_APPLICATIONS: 25, TOOLS_POST_RETURN_TIME[ms]: 29, TOOLS_QUANTIFIERELIM_APPLICATIONS: 136, TOOLS_QUANTIFIERELIM_TIME[ms]: 30802, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30683, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 121, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 39, DOMAIN_JOIN_TIME[ms]: 9042, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME[ms]: 94, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6351, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6336, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 25, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31104, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 373, DAG_COMPRESSION_RETAINED_NODES: 156 - UnprovableResult [Line: 470]: 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 178#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string56.offset| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= |#t~string8.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...