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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:09:48,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:09:48,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:09:48,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:09:48,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:09:48,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:09:48,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:09:48,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:09:48,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:09:48,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:09:48,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:09:48,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:09:48,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:09:48,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:09:48,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:09:48,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:09:48,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:09:48,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:09:48,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:09:48,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:09:48,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:09:48,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:09:48,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:09:48,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:09:48,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:09:48,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:09:48,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:09:48,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:09:48,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:09:48,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:09:48,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:09:48,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:09:48,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:09:48,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:09:48,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:09:48,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:09:48,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:09:48,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:09:48,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:09:48,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:09:48,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:09:48,446 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 10:09:48,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:09:48,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:09:48,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:09:48,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:09:48,474 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:09:48,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:09:48,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:09:48,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:09:48,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:09:48,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:09:48,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:09:48,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:09:48,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:09:48,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:09:48,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:09:48,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:09:48,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:09:48,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:09:48,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:09:48,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:09:48,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:09:48,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:09:48,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:09:48,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:09:48,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:09:48,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:09:48,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:09:48,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:09:48,480 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 10:09:48,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:09:48,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:09:48,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:09:48,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:09:48,551 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:09:48,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-17 10:09:48,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4e62567/51a7d6083dc1458fa20178543e2af5ca/FLAG08c9f2c89 [2019-09-17 10:09:49,134 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:09:49,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2019-09-17 10:09:49,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4e62567/51a7d6083dc1458fa20178543e2af5ca/FLAG08c9f2c89 [2019-09-17 10:09:49,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4e62567/51a7d6083dc1458fa20178543e2af5ca [2019-09-17 10:09:49,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:09:49,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:09:49,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:49,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:09:49,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:09:49,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:49" (1/1) ... [2019-09-17 10:09:49,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348ede7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:49, skipping insertion in model container [2019-09-17 10:09:49,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:09:49" (1/1) ... [2019-09-17 10:09:49,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:09:49,524 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:09:49,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:49,974 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:09:50,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:09:50,124 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:09:50,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50 WrapperNode [2019-09-17 10:09:50,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:09:50,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:09:50,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:09:50,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:09:50,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (1/1) ... [2019-09-17 10:09:50,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:09:50,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:09:50,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:09:50,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:09:50,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:09:50" (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 10:09:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:09:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:09:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:09:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:09:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:09:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:09:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:09:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:09:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:09:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:09:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:09:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:09:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:09:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:09:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:09:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:09:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:09:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:09:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:09:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:09:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:09:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:09:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:09:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:09:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:09:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:09:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:09:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:09:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:09:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:09:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:09:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:09:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:09:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:09:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:09:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:09:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:09:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:09:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:09:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:09:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:09:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:09:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-17 10:09:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:09:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-17 10:09:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:09:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:09:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:09:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:09:51,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:09:51,752 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:09:51,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:51 BoogieIcfgContainer [2019-09-17 10:09:51,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:09:51,754 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:09:51,754 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:09:51,755 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:09:51,756 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:09:51" (1/1) ... [2019-09-17 10:09:51,757 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 10:09:51,792 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:09:51,793 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:09:51,806 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:09:51,820 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:09:51,822 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:10:13,780 WARN L191 SmtUtils]: Spent 12.84 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:10:15,411 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:10:19,322 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:10:19,606 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:10:19,618 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 110 for LOIs [2019-09-17 10:10:19,669 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 110 for LOIs [2019-09-17 10:10:19,676 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 110 for LOIs [2019-09-17 10:10:20,550 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2019-09-17 10:10:21,410 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2019-09-17 10:10:21,734 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 10:10:22,173 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:23,130 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:23,459 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:23,771 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:24,115 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 10:10:24,457 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:25,433 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:10:25,753 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:26,061 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:10:26,075 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:10:26,077 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-17 10:10:26,323 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 10:10:26,328 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 103 for LOIs [2019-09-17 10:10:26,339 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-17 10:10:26,614 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 10:10:26,615 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:10:26,616 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:10:26,618 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 174#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#t~string39.offset| 0) (<= |#t~string24.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string64.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-17 10:10:26,630 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:10:26,630 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:10:26,632 INFO L168 Benchmark]: Toolchain (without parser) took 37181.76 ms. Allocated memory was 139.5 MB in the beginning and 503.8 MB in the end (delta: 364.4 MB). Free memory was 86.1 MB in the beginning and 450.6 MB in the end (delta: -364.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:10:26,633 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:10:26,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.54 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.1 MB in the beginning and 165.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:26,635 INFO L168 Benchmark]: Boogie Preprocessor took 106.16 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 161.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:26,636 INFO L168 Benchmark]: RCFGBuilder took 1522.16 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.5 MB in the beginning and 151.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:10:26,637 INFO L168 Benchmark]: Sifa took 34876.24 ms. Allocated memory was 223.3 MB in the beginning and 503.8 MB in the end (delta: 280.5 MB). Free memory was 151.3 MB in the beginning and 450.6 MB in the end (delta: -299.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 10:10:26,640 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 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.54 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.1 MB in the beginning and 165.1 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.16 ms. Allocated memory is still 199.8 MB. Free memory was 165.1 MB in the beginning and 161.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1522.16 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.5 MB in the beginning and 151.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * Sifa took 34876.24 ms. Allocated memory was 223.3 MB in the beginning and 503.8 MB in the end (delta: 280.5 MB). Free memory was 151.3 MB in the beginning and 450.6 MB in the end (delta: -299.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 34826, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 118, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 76, TOOLS_POST_TIME[ms]: 27448, TOOLS_POST_CALL_APPLICATIONS: 33, TOOLS_POST_CALL_TIME[ms]: 117, TOOLS_POST_RETURN_APPLICATIONS: 26, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 134, TOOLS_QUANTIFIERELIM_TIME[ms]: 27526, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27398, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 120, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME[ms]: 7023, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 62, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3989, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3988, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 26, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27803, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27803, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 273, DAG_COMPRESSION_RETAINED_NODES: 155 - UnprovableResult [Line: 534]: 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 174#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#t~string39.offset| 0) (<= |#t~string24.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string64.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.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...