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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:23:05,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:23:05,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:23:05,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:23:05,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:23:05,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:23:05,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:23:05,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:23:05,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:23:05,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:23:05,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:23:05,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:23:05,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:23:05,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:23:05,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:23:05,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:23:05,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:23:05,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:23:05,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:23:05,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:23:05,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:23:05,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:23:05,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:23:05,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:23:05,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:23:05,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:23:05,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:23:05,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:23:05,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:23:05,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:23:05,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:23:05,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:23:05,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:23:05,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:23:05,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:23:05,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:23:05,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:23:05,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:23:05,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:23:05,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:23:05,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:23:05,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 10:23:05,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:23:05,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:23:05,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:23:05,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:23:05,700 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:23:05,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:23:05,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:23:05,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:23:05,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:23:05,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:23:05,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:23:05,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:23:05,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:23:05,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:23:05,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:23:05,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:23:05,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:23:05,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:23:05,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:23:05,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:23:05,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:23:05,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:23:05,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:23:05,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:23:05,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:23:05,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:23:05,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:23:05,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:23:05,706 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 10:23:05,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:23:05,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:23:05,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:23:05,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:23:05,782 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:23:05,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-09-17 10:23:05,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adf75394c/53cf979baaca4d4aad6900fbb7dbdbd6/FLAGf1d929091 [2019-09-17 10:23:06,345 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:23:06,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-09-17 10:23:06,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adf75394c/53cf979baaca4d4aad6900fbb7dbdbd6/FLAGf1d929091 [2019-09-17 10:23:06,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adf75394c/53cf979baaca4d4aad6900fbb7dbdbd6 [2019-09-17 10:23:06,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:23:06,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:23:06,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:23:06,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:23:06,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:23:06,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:23:06" (1/1) ... [2019-09-17 10:23:06,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:06, skipping insertion in model container [2019-09-17 10:23:06,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:23:06" (1/1) ... [2019-09-17 10:23:06,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:23:06,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:23:07,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:23:07,180 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:23:07,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:23:07,360 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:23:07,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07 WrapperNode [2019-09-17 10:23:07,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:23:07,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:23:07,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:23:07,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:23:07,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (1/1) ... [2019-09-17 10:23:07,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:23:07,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:23:07,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:23:07,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:23:07,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:23:07" (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 10:23:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:23:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:23:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:23:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:23:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:23:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:23:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:23:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:23:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:23:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:23:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:23:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:23:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:23:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:23:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:23:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:23:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:23:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:23:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:23:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:23:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:23:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:23:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:23:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:23:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:23:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:23:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:23:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:23:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:23:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:23:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:23:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:23:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:23:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:23:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:23:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 10:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 10:23:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 10:23:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:23:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:23:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:23:09,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:23:09,244 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:23:09,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:23:09 BoogieIcfgContainer [2019-09-17 10:23:09,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:23:09,246 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:23:09,247 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:23:09,247 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:23:09,248 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:23:09" (1/1) ... [2019-09-17 10:23:09,249 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 10:23:09,272 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:23:09,272 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:23:09,280 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:23:09,289 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:23:09,291 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:23:32,497 WARN L191 SmtUtils]: Spent 13.51 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 10:23:34,117 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:23:37,833 WARN L191 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 10:23:38,157 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 10:23:38,175 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 119 for LOIs [2019-09-17 10:23:38,238 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 119 for LOIs [2019-09-17 10:23:38,251 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 119 for LOIs [2019-09-17 10:23:39,209 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:23:40,170 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:23:41,135 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:23:42,108 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 10:23:42,461 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:23:43,533 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:23:44,853 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:23:45,873 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:23:46,207 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:46,535 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:47,593 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:23:48,635 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:23:49,647 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:23:49,990 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:50,325 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:50,692 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:23:51,746 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:23:52,752 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:23:53,775 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:23:54,116 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:54,444 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:55,451 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:23:56,458 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:23:57,455 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:23:57,797 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:58,130 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:23:59,169 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2019-09-17 10:24:00,155 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2019-09-17 10:24:00,496 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:24:01,536 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:24:02,869 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:03,874 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:24:04,218 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:04,554 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:05,543 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:24:06,596 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:07,603 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:24:07,957 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:08,310 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:08,676 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:24:09,750 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-17 10:24:11,191 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:12,192 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:24:12,536 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:12,871 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:13,869 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:24:14,907 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2019-09-17 10:24:15,949 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 10:24:16,287 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:16,626 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 10:24:17,611 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 134 [2019-09-17 10:24:17,614 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:24:17,616 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-17 10:24:18,289 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-17 10:24:18,514 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 10:24:18,744 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 10:24:18,746 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 104 for LOIs [2019-09-17 10:24:18,752 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 104 for LOIs [2019-09-17 10:24:19,036 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:24:19,036 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:24:19,037 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:24:19,039 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 488#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= |#t~string1.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-09-17 10:24:19,054 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:24:19,055 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:24:19,057 INFO L168 Benchmark]: Toolchain (without parser) took 72366.86 ms. Allocated memory was 131.6 MB in the beginning and 686.3 MB in the end (delta: 554.7 MB). Free memory was 85.9 MB in the beginning and 129.1 MB in the end (delta: -43.2 MB). Peak memory consumption was 511.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,058 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.81 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 160.0 MB in the end (delta: -74.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,060 INFO L168 Benchmark]: Boogie Preprocessor took 110.16 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 155.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,062 INFO L168 Benchmark]: RCFGBuilder took 1773.96 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 155.5 MB in the beginning and 136.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,063 INFO L168 Benchmark]: Sifa took 69808.45 ms. Allocated memory was 220.7 MB in the beginning and 686.3 MB in the end (delta: 465.6 MB). Free memory was 134.8 MB in the beginning and 129.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 471.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:24:19,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 670.81 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 160.0 MB in the end (delta: -74.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.16 ms. Allocated memory is still 198.7 MB. Free memory was 160.0 MB in the beginning and 155.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1773.96 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 155.5 MB in the beginning and 136.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 69808.45 ms. Allocated memory was 220.7 MB in the beginning and 686.3 MB in the end (delta: 465.6 MB). Free memory was 134.8 MB in the beginning and 129.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 471.3 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]: 69767, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 313, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 208, TOOLS_POST_TIME[ms]: 28571, TOOLS_POST_CALL_APPLICATIONS: 88, TOOLS_POST_CALL_TIME[ms]: 169, TOOLS_POST_RETURN_APPLICATIONS: 81, TOOLS_POST_RETURN_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_APPLICATIONS: 376, TOOLS_QUANTIFIERELIM_TIME[ms]: 28703, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28481, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 321, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 105, DOMAIN_JOIN_TIME[ms]: 40564, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 57, DOMAIN_ISBOTTOM_TIME[ms]: 202, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 31075, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31074, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 81, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29221, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29220, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 489, DAG_COMPRESSION_RETAINED_NODES: 248 - UnprovableResult [Line: 994]: 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 488#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= |#t~string1.offset| 0) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...