java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:09:24,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:09:24,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:09:24,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:09:24,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:09:24,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:09:24,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:09:24,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:09:24,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:09:24,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:09:24,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:09:24,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:09:24,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:09:24,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:09:24,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:09:24,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:09:24,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:09:24,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:09:24,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:09:24,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:09:24,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:09:24,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:09:24,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:09:24,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:09:24,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:09:24,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:09:24,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:09:24,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:09:24,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:09:24,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:09:24,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:09:24,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:09:24,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:09:24,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:09:24,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:09:24,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:09:24,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:09:24,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:09:24,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:09:24,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:09:24,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:09:24,524 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 10:09:24,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:09:24,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:09:24,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:09:24,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:09:24,568 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:09:24,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:09:24,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:09:24,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:09:24,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:09:24,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:09:24,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:09:24,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:09:24,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:09:24,571 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:09:24,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:09:24,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:09:24,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:09:24,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:09:24,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:09:24,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:09:24,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:09:24,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:09:24,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:09:24,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:09:24,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:09:24,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:09:24,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:09:24,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:09:24,577 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 10:09:24,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:09:24,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:09:24,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:09:24,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:09:24,634 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:09:24,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-09-17 10:09:24,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03884a619/fd8231b897124ee488d8f8a71d4e2d0c/FLAG332f1c204 [2019-09-17 10:09:25,162 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:09:25,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2019-09-17 10:09:25,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03884a619/fd8231b897124ee488d8f8a71d4e2d0c/FLAG332f1c204 [2019-09-17 10:09:25,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03884a619/fd8231b897124ee488d8f8a71d4e2d0c [2019-09-17 10:09:25,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:09:25,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:09:25,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:25,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:09:25,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:09:25,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:25" (1/1) ... [2019-09-17 10:09:25,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72966280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:25, skipping insertion in model container [2019-09-17 10:09:25,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:25" (1/1) ... [2019-09-17 10:09:25,558 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:09:25,606 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:09:26,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:26,034 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:09:26,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:26,186 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:09:26,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26 WrapperNode [2019-09-17 10:09:26,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:26,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:09:26,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:09:26,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:09:26,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (1/1) ... [2019-09-17 10:09:26,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:09:26,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:09:26,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:09:26,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:09:26,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:26" (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 10:09:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:09:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:09:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:09:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:09:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:09:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:09:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:09:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:09:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:09:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:09:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:09:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:09:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:09:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:09:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:09:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:09:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:09:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:09:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:09:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:09:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:09:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:09:27,912 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:09:27,913 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:09:27,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:27 BoogieIcfgContainer [2019-09-17 10:09:27,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:09:27,916 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:09:27,917 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:09:27,917 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:09:27,919 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:27" (1/1) ... [2019-09-17 10:09:27,920 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 10:09:27,955 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:09:27,960 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:09:27,973 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:09:27,986 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:09:27,987 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:09:53,399 WARN L191 SmtUtils]: Spent 14.96 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:09:55,271 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:09:59,208 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:09:59,459 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:09:59,470 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-17 10:09:59,515 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-17 10:09:59,520 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-17 10:09:59,953 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:00,264 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:00,607 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:00,951 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:01,315 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:01,655 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:10:02,710 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:03,657 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:03,969 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:04,886 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-17 10:10:05,829 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:06,772 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:07,082 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:07,985 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-17 10:10:08,898 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:09,800 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:10,106 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:11,030 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-17 10:10:11,949 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:12,855 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-17 10:10:13,163 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:14,051 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-17 10:10:14,054 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:10:14,056 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-17 10:10:14,720 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-17 10:10:14,948 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:10:14,950 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 100 for LOIs [2019-09-17 10:10:14,961 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-17 10:10:15,179 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:10:15,179 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:10:15,180 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:10:15,182 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 253#(and (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string1.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~string64.offset| 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0)) [2019-09-17 10:10:15,196 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:10:15,196 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:10:15,197 INFO L168 Benchmark]: Toolchain (without parser) took 49654.35 ms. Allocated memory was 134.7 MB in the beginning and 548.9 MB in the end (delta: 414.2 MB). Free memory was 89.9 MB in the beginning and 228.7 MB in the end (delta: -138.7 MB). Peak memory consumption was 275.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:15,198 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:10:15,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.96 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.9 MB in the beginning and 167.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:15,200 INFO L168 Benchmark]: Boogie Preprocessor took 110.78 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:15,201 INFO L168 Benchmark]: RCFGBuilder took 1616.90 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 163.7 MB in the beginning and 155.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:15,202 INFO L168 Benchmark]: Sifa took 47279.36 ms. Allocated memory was 228.6 MB in the beginning and 548.9 MB in the end (delta: 320.3 MB). Free memory was 155.1 MB in the beginning and 228.7 MB in the end (delta: -73.5 MB). Peak memory consumption was 246.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:15,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.96 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.9 MB in the beginning and 167.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.78 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1616.90 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 163.7 MB in the beginning and 155.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * Sifa took 47279.36 ms. Allocated memory was 228.6 MB in the beginning and 548.9 MB in the end (delta: 320.3 MB). Free memory was 155.1 MB in the beginning and 228.7 MB in the end (delta: -73.5 MB). Peak memory consumption was 246.8 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]: 47227, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 167, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 110, TOOLS_POST_TIME[ms]: 31176, TOOLS_POST_CALL_APPLICATIONS: 46, TOOLS_POST_CALL_TIME[ms]: 114, TOOLS_POST_RETURN_APPLICATIONS: 39, TOOLS_POST_RETURN_TIME[ms]: 41, TOOLS_QUANTIFIERELIM_APPLICATIONS: 194, TOOLS_QUANTIFIERELIM_TIME[ms]: 31247, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31115, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 15601, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 126, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12384, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12384, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 39, CALL_SUMMARIZER_CACHE_MISSES: 18, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31540, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31539, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 364, DAG_COMPRESSION_RETAINED_NODES: 172 - UnprovableResult [Line: 269]: 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 253#(and (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string17.offset|) (<= 0 |#t~string63.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string1.offset| 0) (<= 0 |#t~string1.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~string64.offset| 0) (<= |#t~string53.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string53.offset|) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...