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_spec4_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:39:40,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:39:40,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:39:40,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:39:40,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:39:40,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:39:40,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:39:40,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:39:40,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:39:40,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:39:40,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:39:40,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:39:40,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:39:40,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:39:40,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:39:40,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:39:40,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:39:40,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:39:40,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:39:40,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:39:40,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:39:40,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:39:40,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:39:40,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:39:40,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:39:40,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:39:40,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:39:40,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:39:40,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:39:40,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:39:40,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:39:40,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:39:40,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:39:40,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:39:40,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:39:40,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:39:40,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:39:40,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:39:40,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:39:40,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:39:40,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:39:40,513 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 16:39:40,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:39:40,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:39:40,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:39:40,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:39:40,541 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:39:40,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:39:40,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:39:40,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:39:40,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:39:40,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:39:40,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:39:40,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:39:40,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:39:40,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:39:40,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:39:40,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:39:40,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:39:40,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:39:40,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:39:40,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:39:40,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:39:40,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:39:40,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:39:40,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:39:40,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:39:40,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:39:40,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:39:40,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:39:40,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:39:40,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:39:40,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:39:40,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:39:40,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:39:40,611 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:39:40,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-09-20 16:39:40,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c004a3b68/dd12c879bd1b42ecb976b468221ff7c3/FLAG87a600944 [2019-09-20 16:39:41,151 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:39:41,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-09-20 16:39:41,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c004a3b68/dd12c879bd1b42ecb976b468221ff7c3/FLAG87a600944 [2019-09-20 16:39:41,500 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c004a3b68/dd12c879bd1b42ecb976b468221ff7c3 [2019-09-20 16:39:41,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:39:41,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:39:41,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:41,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:39:41,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:39:41,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:41" (1/1) ... [2019-09-20 16:39:41,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d443ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:41, skipping insertion in model container [2019-09-20 16:39:41,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:41" (1/1) ... [2019-09-20 16:39:41,530 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:39:41,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:39:41,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:41,982 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:39:42,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:42,155 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:39:42,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42 WrapperNode [2019-09-20 16:39:42,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:42,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:39:42,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:39:42,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:39:42,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... [2019-09-20 16:39:42,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:39:42,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:39:42,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:39:42,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:39:42,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:39:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:39:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:39:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:39:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:39:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:39:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:39:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:39:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:39:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:39:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:39:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:39:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:39:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:39:42,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:39:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:39:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:39:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:39:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:39:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:39:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:39:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 16:39:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:39:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 16:39:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:39:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:39:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:39:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:39:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:39:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:39:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:39:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:39:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:39:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:39:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:39:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:39:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:39:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:39:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:39:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:39:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:39:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:39:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:39:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:39:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:39:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:39:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:39:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:39:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:39:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:39:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:39:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:39:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:39:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:39:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 16:39:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:39:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:39:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:39:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 16:39:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:39:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:39:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 16:39:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:39:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:39:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:39:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:39:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:39:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:39:43,857 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:39:43,858 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:39:43,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:43 BoogieIcfgContainer [2019-09-20 16:39:43,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:39:43,860 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:39:43,860 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:39:43,861 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:39:43,862 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:43" (1/1) ... [2019-09-20 16:39:43,862 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:39:43,897 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:39:43,902 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:39:43,912 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:39:43,924 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:39:43,925 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:40:06,645 WARN L191 SmtUtils]: Spent 13.43 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:40:08,306 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:40:11,971 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:40:12,242 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:40:12,253 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-20 16:40:12,318 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-20 16:40:12,324 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-20 16:40:13,250 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2019-09-20 16:40:13,599 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:40:14,613 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-20 16:40:15,214 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 16:40:16,072 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-20 16:40:16,384 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 16:40:17,320 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 16:40:17,665 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 16:40:18,520 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 120 [2019-09-20 16:40:18,822 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 16:40:19,760 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 16:40:19,763 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:40:19,766 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-20 16:40:20,404 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-20 16:40:20,603 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:40:20,810 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:40:20,811 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 99 for LOIs [2019-09-20 16:40:20,836 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-20 16:40:21,042 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:40:21,043 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:40:21,043 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:40:21,046 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 282#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:40:21,062 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:40:21,062 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:40:21,063 INFO L168 Benchmark]: Toolchain (without parser) took 39549.29 ms. Allocated memory was 133.7 MB in the beginning and 530.1 MB in the end (delta: 396.4 MB). Free memory was 86.9 MB in the beginning and 440.9 MB in the end (delta: -354.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,064 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 163.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,066 INFO L168 Benchmark]: Boogie Preprocessor took 80.91 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,067 INFO L168 Benchmark]: RCFGBuilder took 1622.23 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.2 MB in the beginning and 138.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,068 INFO L168 Benchmark]: Sifa took 37201.62 ms. Allocated memory was 226.0 MB in the beginning and 530.1 MB in the end (delta: 304.1 MB). Free memory was 138.3 MB in the beginning and 440.9 MB in the end (delta: -302.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:21,072 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 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 163.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.91 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1622.23 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 159.2 MB in the beginning and 138.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Sifa took 37201.62 ms. Allocated memory was 226.0 MB in the beginning and 530.1 MB in the end (delta: 304.1 MB). Free memory was 138.3 MB in the beginning and 440.9 MB in the end (delta: -302.5 MB). Peak memory consumption was 1.5 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]: 37149, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 181, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 120, TOOLS_POST_TIME[ms]: 28030, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME[ms]: 111, TOOLS_POST_RETURN_APPLICATIONS: 47, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 220, TOOLS_QUANTIFIERELIM_TIME[ms]: 28092, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27965, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 183, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 8733, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 80, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5334, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5334, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 47, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28616, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28615, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 348, DAG_COMPRESSION_RETAINED_NODES: 186 - UnprovableResult [Line: 543]: 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 282#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...