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_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:16:06,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:16:06,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:16:06,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:16:06,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:16:06,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:16:06,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:16:06,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:16:06,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:16:06,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:16:06,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:16:06,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:16:06,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:16:06,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:16:06,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:16:06,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:16:06,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:16:06,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:16:06,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:16:06,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:16:06,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:16:06,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:16:06,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:16:06,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:16:06,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:16:06,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:16:06,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:16:06,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:16:06,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:16:06,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:16:06,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:16:06,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:16:06,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:16:06,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:16:06,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:16:06,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:16:06,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:16:06,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:16:06,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:16:06,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:16:06,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:16:06,712 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 [2019-09-17 10:16:06,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:16:06,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:16:06,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:16:06,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:16:06,732 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:16:06,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:16:06,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:16:06,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:16:06,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:16:06,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:16:06,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:16:06,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:16:06,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:16:06,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:16:06,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:16:06,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:16:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:16:06,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:16:06,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:16:06,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:16:06,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:16:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:16:06,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:16:06,736 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 [2019-09-17 10:16:06,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:16:06,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:16:06,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:16:06,801 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:16:06,802 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:16:06,802 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-17 10:16:06,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7431421ad/8922fd02aa0b4d589daf00f40a2b15f7/FLAG19641fa66 [2019-09-17 10:16:07,390 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:16:07,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2019-09-17 10:16:07,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7431421ad/8922fd02aa0b4d589daf00f40a2b15f7/FLAG19641fa66 [2019-09-17 10:16:07,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7431421ad/8922fd02aa0b4d589daf00f40a2b15f7 [2019-09-17 10:16:07,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:16:07,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:16:07,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:16:07,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:16:07,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:16:07,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:16:07" (1/1) ... [2019-09-17 10:16:07,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145c95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:07, skipping insertion in model container [2019-09-17 10:16:07,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:16:07" (1/1) ... [2019-09-17 10:16:07,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:16:07,772 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:16:08,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:16:08,226 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:16:08,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:16:08,382 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:16:08,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08 WrapperNode [2019-09-17 10:16:08,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:16:08,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:16:08,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:16:08,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:16:08,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (1/1) ... [2019-09-17 10:16:08,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:16:08,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:16:08,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:16:08,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:16:08,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:16:08" (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 [2019-09-17 10:16:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:16:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:16:08,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:16:08,540 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:16:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:16:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:16:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:16:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:16:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:16:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:16:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:16:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:16:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:16:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:16:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:16:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:16:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:16:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:16:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:16:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:16:08,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:16:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:16:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:16:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:16:08,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:16:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:16:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:16:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:16:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:16:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:16:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:16:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:16:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:16:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:16:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:16:08,556 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:16:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:16:08,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:16:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:16:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:16:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:16:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:16:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:16:08,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:16:08,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:16:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:16:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:16:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:16:10,039 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:16:10,039 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:16:10,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:16:10 BoogieIcfgContainer [2019-09-17 10:16:10,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:16:10,041 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:16:10,041 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:16:10,042 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:16:10,043 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:16:10" (1/1) ... [2019-09-17 10:16:10,043 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 [2019-09-17 10:16:10,087 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:16:10,087 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:16:10,100 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:16:10,113 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:16:10,115 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:16:34,293 WARN L191 SmtUtils]: Spent 13.84 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:16:35,988 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:16:39,818 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:16:40,148 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:16:40,166 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 115 for LOIs [2019-09-17 10:16:40,223 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 115 for LOIs [2019-09-17 10:16:40,238 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 115 for LOIs [2019-09-17 10:16:40,662 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:40,994 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:41,402 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:41,745 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:42,100 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:42,434 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:43,559 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:44,582 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:44,933 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:45,970 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:16:46,978 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:48,005 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:48,349 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:49,371 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:16:50,378 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:51,361 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:51,715 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:52,724 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:16:53,719 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:54,698 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2019-09-17 10:16:55,040 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 10:16:56,028 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-17 10:16:56,033 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:16:56,035 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-17 10:16:56,304 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-17 10:16:56,306 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 107 for LOIs [2019-09-17 10:16:56,315 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 107 for LOIs [2019-09-17 10:16:56,560 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-17 10:16:56,560 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:16:56,561 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:16:56,563 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 226#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)) [2019-09-17 10:16:56,574 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:16:56,574 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:16:56,576 INFO L168 Benchmark]: Toolchain (without parser) took 48861.30 ms. Allocated memory was 132.1 MB in the beginning and 597.2 MB in the end (delta: 465.0 MB). Free memory was 86.2 MB in the beginning and 538.0 MB in the end (delta: -451.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:56,577 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-17 10:16:56,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.56 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 165.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:56,579 INFO L168 Benchmark]: Boogie Preprocessor took 96.67 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:56,579 INFO L168 Benchmark]: RCFGBuilder took 1559.83 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 161.5 MB in the beginning and 151.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:16:56,580 INFO L168 Benchmark]: Sifa took 46533.63 ms. Allocated memory was 221.8 MB in the beginning and 597.2 MB in the end (delta: 375.4 MB). Free memory was 151.5 MB in the beginning and 538.0 MB in the end (delta: -386.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:16:56,584 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 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.56 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.0 MB in the beginning and 165.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.67 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1559.83 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 161.5 MB in the beginning and 151.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * Sifa took 46533.63 ms. Allocated memory was 221.8 MB in the beginning and 597.2 MB in the end (delta: 375.4 MB). Free memory was 151.5 MB in the beginning and 538.0 MB in the end (delta: -386.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 46477, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 147, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 102, TOOLS_POST_TIME[ms]: 29694, TOOLS_POST_CALL_APPLICATIONS: 39, TOOLS_POST_CALL_TIME[ms]: 107, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_APPLICATIONS: 172, TOOLS_QUANTIFIERELIM_TIME[ms]: 29772, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29627, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 151, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME[ms]: 16354, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 117, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13586, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13585, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30107, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30106, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 363, DAG_COMPRESSION_RETAINED_NODES: 158 - UnprovableResult [Line: 851]: 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 226#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...