/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:49:01,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:49:01,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:49:01,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:49:01,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:49:01,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:49:01,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:49:01,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:49:01,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:49:01,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:49:01,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:49:01,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:49:01,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:49:01,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:49:01,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:49:01,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:49:01,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:49:01,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:49:01,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:49:01,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:49:01,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:49:01,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:49:01,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:49:01,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:49:01,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:49:01,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:49:01,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:49:01,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:49:01,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:49:01,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:49:01,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:49:01,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:49:01,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:49:01,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:49:01,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:49:01,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:49:01,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:49:01,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:49:01,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:49:01,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:49:01,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:49:01,482 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 [2019-11-07 10:49:01,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:49:01,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:49:01,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:49:01,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:49:01,505 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:49:01,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:49:01,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:49:01,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:49:01,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:49:01,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:49:01,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:49:01,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:49:01,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:49:01,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:49:01,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:49:01,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:49:01,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:49:01,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:49:01,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:49:01,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:49:01,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:49:01,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:01,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:49:01,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:49:01,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:49:01,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:49:01,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:49:01,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:49:01,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:49:01,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:49:01,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:49:01,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:49:01,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:49:01,800 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:49:01,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2019-11-07 10:49:01,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c38f2a6b3/4505d2dac509495dbe80741143bcd85c/FLAG50690b10e [2019-11-07 10:49:02,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:49:02,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product13.cil.c [2019-11-07 10:49:02,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c38f2a6b3/4505d2dac509495dbe80741143bcd85c/FLAG50690b10e [2019-11-07 10:49:02,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c38f2a6b3/4505d2dac509495dbe80741143bcd85c [2019-11-07 10:49:02,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:49:02,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:49:02,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:02,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:49:02,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:49:02,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:02" (1/1) ... [2019-11-07 10:49:02,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b288fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:02, skipping insertion in model container [2019-11-07 10:49:02,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:02" (1/1) ... [2019-11-07 10:49:02,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:49:02,894 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:49:03,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:03,349 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:49:03,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:03,468 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:49:03,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03 WrapperNode [2019-11-07 10:49:03,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:03,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:49:03,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:49:03,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:49:03,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (1/1) ... [2019-11-07 10:49:03,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:49:03,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:49:03,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:49:03,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:49:03,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:03" (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 [2019-11-07 10:49:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:49:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:49:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:49:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:49:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:49:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:49:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:49:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:49:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:49:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:49:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:49:03,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:49:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:49:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:49:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:49:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:49:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:49:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:49:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:49:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:49:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 10:49:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:49:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:49:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:49:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:49:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:49:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:49:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:49:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:49:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:49:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:49:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:49:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:49:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:49:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:49:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:49:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:49:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:49:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:49:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:49:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:49:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:49:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:49:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:49:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:49:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:49:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:49:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:49:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:49:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:49:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:49:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:49:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:49:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:49:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 10:49:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:49:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:49:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:49:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:49:05,235 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:49:05,235 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:49:05,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:05 BoogieIcfgContainer [2019-11-07 10:49:05,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:49:05,237 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:49:05,237 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:49:05,238 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:49:05,239 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:05" (1/1) ... [2019-11-07 10:49:05,239 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:49:05,283 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:49:05,283 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:49:05,302 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:49:05,316 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:49:05,317 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:49:16,317 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:49:17,953 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:49:18,081 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:49:18,099 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-11-07 10:49:18,139 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-11-07 10:49:18,145 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-11-07 10:49:18,591 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-11-07 10:49:18,837 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-07 10:49:19,197 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2019-11-07 10:49:19,426 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-07 10:49:19,839 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-07 10:49:20,014 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 198 [2019-11-07 10:49:20,454 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 610 [2019-11-07 10:49:20,673 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 610 [2019-11-07 10:49:20,794 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:49:20,796 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 137 for LOIs [2019-11-07 10:49:21,080 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 131 for LOIs [2019-11-07 10:49:21,088 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 141 for LOIs [2019-11-07 10:49:21,089 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:49:21,105 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:49:21,106 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:49:21,108 INFO L168 Benchmark]: Toolchain (without parser) took 18272.97 ms. Allocated memory was 138.4 MB in the beginning and 412.6 MB in the end (delta: 274.2 MB). Free memory was 100.8 MB in the beginning and 284.6 MB in the end (delta: -183.8 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,109 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.48 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 168.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,111 INFO L168 Benchmark]: Boogie Preprocessor took 120.29 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,112 INFO L168 Benchmark]: RCFGBuilder took 1646.21 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.1 MB in the beginning and 151.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,112 INFO L168 Benchmark]: Sifa took 15868.48 ms. Allocated memory was 235.4 MB in the beginning and 412.6 MB in the end (delta: 177.2 MB). Free memory was 151.5 MB in the beginning and 284.6 MB in the end (delta: -133.2 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:21,116 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 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.48 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 168.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.29 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 164.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1646.21 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 164.1 MB in the beginning and 151.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * Sifa took 15868.48 ms. Allocated memory was 235.4 MB in the beginning and 412.6 MB in the end (delta: 177.2 MB). Free memory was 151.5 MB in the beginning and 284.6 MB in the end (delta: -133.2 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 15808, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 83, TOOLS_POST_TIME[ms]: 12727, TOOLS_POST_CALL_APPLICATIONS: 39, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 153, TOOLS_QUANTIFIERELIM_TIME[ms]: 12835, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12679, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 153, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 2363, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 316, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME[ms]: 76, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1346, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1345, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12808, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12807, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 298, DAG_COMPRESSION_RETAINED_NODES: 154 - UnprovableResult [Line: 496]: 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 307#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string39.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (<= |#t~string39.offset| 0) (<= |#t~string1.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string33.offset| 0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string3.offset|) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 |#t~string41.offset|) (= |#t~string5.offset| 0) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (= |#t~string60.offset| 0) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...