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_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:24:35,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:24:35,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:24:35,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:24:35,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:24:35,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:24:35,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:24:35,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:24:35,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:24:35,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:24:35,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:24:35,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:24:35,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:24:35,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:24:35,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:24:35,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:24:35,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:24:35,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:24:35,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:24:35,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:24:35,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:24:35,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:24:35,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:24:35,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:24:35,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:24:35,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:24:35,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:24:35,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:24:35,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:24:35,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:24:35,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:24:35,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:24:35,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:24:35,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:24:35,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:24:35,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:24:35,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:24:35,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:24:35,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:24:35,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:24:35,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:24:35,420 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 10:24:35,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:24:35,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:24:35,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:24:35,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:24:35,435 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:24:35,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:24:35,436 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:24:35,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:24:35,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:24:35,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:24:35,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:24:35,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:24:35,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:24:35,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:24:35,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:24:35,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:24:35,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:24:35,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:24:35,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:24:35,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:24:35,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:24:35,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:24:35,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:24:35,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:24:35,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:24:35,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:24:35,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:24:35,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:24:35,440 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 10:24:35,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:24:35,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:24:35,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:24:35,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:24:35,492 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:24:35,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-09-17 10:24:35,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb93d4b8f/519be97fdc074c2a95af26071add71ff/FLAGc5a5d1328 [2019-09-17 10:24:36,027 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:24:36,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-09-17 10:24:36,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb93d4b8f/519be97fdc074c2a95af26071add71ff/FLAGc5a5d1328 [2019-09-17 10:24:36,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb93d4b8f/519be97fdc074c2a95af26071add71ff [2019-09-17 10:24:36,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:24:36,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:24:36,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:24:36,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:24:36,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:24:36,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2639492c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36, skipping insertion in model container [2019-09-17 10:24:36,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,081 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:24:36,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:24:36,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:24:36,686 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:24:36,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:24:36,810 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:24:36,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36 WrapperNode [2019-09-17 10:24:36,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:24:36,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:24:36,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:24:36,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:24:36,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (1/1) ... [2019-09-17 10:24:36,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:24:36,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:24:36,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:24:36,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:24:36,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:24:36" (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 10:24:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:24:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:24:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:24:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:24:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:24:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:24:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-17 10:24:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:24:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:24:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:24:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:24:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:24:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 10:24:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:24:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-17 10:24:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:24:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:24:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:24:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:24:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:24:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:24:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:24:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:24:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:24:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:24:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:24:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:24:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:24:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 10:24:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-17 10:24:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:24:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:24:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 10:24:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-17 10:24:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:24:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:24:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:24:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:24:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:24:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:24:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:24:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:24:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:24:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:24:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:24:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:24:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:24:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:24:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:24:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:24:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:24:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:24:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:24:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:24:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:24:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:24:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:24:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:24:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:24:38,494 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:24:38,495 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:24:38,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:24:38 BoogieIcfgContainer [2019-09-17 10:24:38,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:24:38,497 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:24:38,497 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:24:38,497 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:24:38,498 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:24:38" (1/1) ... [2019-09-17 10:24:38,499 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 10:24:38,525 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:24:38,525 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:24:38,539 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:24:38,552 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:24:38,553 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:25:01,641 WARN L191 SmtUtils]: Spent 14.04 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:25:03,323 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:25:07,195 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:25:07,470 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:25:07,482 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-17 10:25:07,533 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-17 10:25:07,537 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-17 10:25:08,467 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-17 10:25:08,792 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:25:09,933 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-17 10:25:10,753 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-17 10:25:11,049 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 10:25:11,960 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-17 10:25:12,767 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-17 10:25:13,554 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-17 10:25:13,863 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 10:25:14,172 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 10:25:14,179 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:25:14,182 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-17 10:25:14,403 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:25:15,028 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-09-17 10:25:15,251 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:25:15,253 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 99 for LOIs [2019-09-17 10:25:15,263 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-17 10:25:15,487 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 10:25:15,488 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:25:15,488 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:25:15,490 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 269#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-17 10:25:15,506 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:25:15,506 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:25:15,508 INFO L168 Benchmark]: Toolchain (without parser) took 39443.25 ms. Allocated memory was 138.4 MB in the beginning and 413.1 MB in the end (delta: 274.7 MB). Free memory was 85.3 MB in the beginning and 310.4 MB in the end (delta: -225.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,509 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:25:15,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.10 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 85.3 MB in the beginning and 170.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,511 INFO L168 Benchmark]: Boogie Preprocessor took 102.94 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,511 INFO L168 Benchmark]: RCFGBuilder took 1580.87 ms. Allocated memory was 204.5 MB in the beginning and 226.0 MB in the end (delta: 21.5 MB). Free memory was 165.9 MB in the beginning and 151.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,512 INFO L168 Benchmark]: Sifa took 37009.59 ms. Allocated memory was 226.0 MB in the beginning and 413.1 MB in the end (delta: 187.2 MB). Free memory was 151.3 MB in the beginning and 310.4 MB in the end (delta: -159.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-17 10:25:15,516 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 138.4 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.10 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 85.3 MB in the beginning and 170.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.94 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1580.87 ms. Allocated memory was 204.5 MB in the beginning and 226.0 MB in the end (delta: 21.5 MB). Free memory was 165.9 MB in the beginning and 151.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. * Sifa took 37009.59 ms. Allocated memory was 226.0 MB in the beginning and 413.1 MB in the end (delta: 187.2 MB). Free memory was 151.3 MB in the beginning and 310.4 MB in the end (delta: -159.0 MB). Peak memory consumption was 28.1 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]: 36965, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 176, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME[ms]: 28600, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 42, TOOLS_QUANTIFIERELIM_APPLICATIONS: 211, TOOLS_QUANTIFIERELIM_TIME[ms]: 28686, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28554, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 178, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 7979, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 64, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4407, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4406, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29130, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29129, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 358, DAG_COMPRESSION_RETAINED_NODES: 195 - UnprovableResult [Line: 922]: 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 269#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...