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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-20 00:19:35,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 00:19:35,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 00:19:35,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 00:19:35,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 00:19:35,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 00:19:35,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 00:19:35,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 00:19:35,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 00:19:35,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 00:19:35,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 00:19:35,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 00:19:35,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 00:19:35,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 00:19:35,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 00:19:35,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 00:19:35,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 00:19:35,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 00:19:35,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 00:19:35,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 00:19:35,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 00:19:35,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 00:19:35,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 00:19:35,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 00:19:35,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 00:19:35,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 00:19:35,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 00:19:35,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 00:19:35,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 00:19:35,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 00:19:35,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 00:19:35,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 00:19:35,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 00:19:35,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 00:19:35,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 00:19:35,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 00:19:35,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 00:19:35,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 00:19:35,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 00:19:35,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 00:19:35,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 00:19:35,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 00:19:35,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 00:19:35,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 00:19:35,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 00:19:35,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 00:19:35,548 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 00:19:35,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 00:19:35,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 00:19:35,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 00:19:35,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 00:19:35,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 00:19:35,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 00:19:35,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 00:19:35,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 00:19:35,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 00:19:35,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 00:19:35,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 00:19:35,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 00:19:35,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 00:19:35,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 00:19:35,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 00:19:35,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 00:19:35,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:19:35,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 00:19:35,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 00:19:35,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 00:19:35,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 00:19:35,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 00:19:35,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 00:19:35,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 00:19:35,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 00:19:35,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 00:19:35,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 00:19:35,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 00:19:35,622 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 00:19:35,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-09-20 00:19:35,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9a5efb0/17f42466ae7b4c269fde83d6007010ca/FLAGef9ab19d2 [2019-09-20 00:19:36,190 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 00:19:36,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-09-20 00:19:36,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9a5efb0/17f42466ae7b4c269fde83d6007010ca/FLAGef9ab19d2 [2019-09-20 00:19:36,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c9a5efb0/17f42466ae7b4c269fde83d6007010ca [2019-09-20 00:19:36,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 00:19:36,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 00:19:36,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 00:19:36,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 00:19:36,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 00:19:36,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:19:36" (1/1) ... [2019-09-20 00:19:36,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a7f8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:36, skipping insertion in model container [2019-09-20 00:19:36,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:19:36" (1/1) ... [2019-09-20 00:19:36,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 00:19:36,594 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 00:19:37,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:19:37,054 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 00:19:37,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:19:37,197 INFO L192 MainTranslator]: Completed translation [2019-09-20 00:19:37,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37 WrapperNode [2019-09-20 00:19:37,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 00:19:37,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 00:19:37,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 00:19:37,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 00:19:37,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... [2019-09-20 00:19:37,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 00:19:37,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 00:19:37,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 00:19:37,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 00:19:37,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:19:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:19:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 00:19:37,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 00:19:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 00:19:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 00:19:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 00:19:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 00:19:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 00:19:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 00:19:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 00:19:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 00:19:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 00:19:37,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 00:19:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 00:19:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 00:19:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 00:19:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 00:19:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 00:19:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 00:19:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 00:19:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 00:19:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 00:19:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 00:19:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 00:19:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 00:19:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 00:19:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 00:19:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 00:19:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 00:19:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 00:19:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 00:19:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 00:19:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 00:19:38,892 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 00:19:38,892 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 00:19:38,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:19:38 BoogieIcfgContainer [2019-09-20 00:19:38,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 00:19:38,894 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 00:19:38,894 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 00:19:38,895 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 00:19:38,896 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:19:38" (1/1) ... [2019-09-20 00:19:38,896 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 00:19:38,919 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 00:19:38,919 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 00:19:38,927 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 00:19:38,936 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 00:19:38,938 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 00:20:01,220 WARN L191 SmtUtils]: Spent 13.56 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 00:20:02,933 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 00:20:06,746 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 00:20:08,478 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 00:20:10,216 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 00:20:10,232 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-20 00:20:10,291 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-20 00:20:10,310 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-20 00:20:21,444 WARN L191 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-20 00:20:26,889 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-20 00:20:37,826 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-20 00:20:43,197 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-20 00:21:01,343 WARN L191 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 459 DAG size of output: 457 [2019-09-20 00:21:10,358 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-20 00:21:28,524 WARN L191 SmtUtils]: Spent 17.19 s on a formula simplification. DAG size of input: 475 DAG size of output: 461 [2019-09-20 00:21:34,204 WARN L191 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-20 00:21:36,157 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-20 00:21:38,097 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-20 00:21:43,857 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 464 DAG size of output: 456 [2019-09-20 00:21:45,746 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-20 00:21:51,449 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 464 DAG size of output: 456 [2019-09-20 00:21:53,320 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-20 00:22:04,297 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-20 00:22:04,887 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 00:22:05,172 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 00:22:05,402 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 00:22:23,689 WARN L191 SmtUtils]: Spent 18.02 s on a formula simplification. DAG size of input: 459 DAG size of output: 457 [2019-09-20 00:22:32,727 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-20 00:22:50,068 WARN L191 SmtUtils]: Spent 17.25 s on a formula simplification. DAG size of input: 475 DAG size of output: 461 [2019-09-20 00:22:55,733 WARN L191 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-20 00:22:57,911 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-20 00:22:59,845 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-20 00:23:05,590 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 464 DAG size of output: 456 [2019-09-20 00:23:07,468 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-20 00:23:13,219 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 464 DAG size of output: 456 [2019-09-20 00:23:15,151 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-20 00:23:26,125 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-20 00:23:26,374 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 00:23:26,667 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 00:23:26,890 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 00:23:26,973 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 26 for LOIs [2019-09-20 00:23:27,283 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-09-20 00:23:27,454 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 00:23:27,630 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 00:23:27,825 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 00:23:28,035 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 00:23:28,277 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 00:23:28,506 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 00:23:28,785 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 00:23:28,868 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 00:23:29,080 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 25 for LOIs [2019-09-20 00:23:29,084 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 33 for LOIs [2019-09-20 00:23:29,148 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 00:23:29,148 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 00:23:29,151 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 536#(and (not (= 0 ~systemActive~0)) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 00:23:29,167 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 00:23:29,168 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 00:23:29,170 INFO L168 Benchmark]: Toolchain (without parser) took 232655.44 ms. Allocated memory was 134.2 MB in the beginning and 150.5 MB in the end (delta: 16.3 MB). Free memory was 89.6 MB in the beginning and 67.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-09-20 00:23:29,171 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 00:23:29,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.59 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.4 MB in the beginning and 165.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 00:23:29,172 INFO L168 Benchmark]: Boogie Preprocessor took 90.99 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 00:23:29,173 INFO L168 Benchmark]: RCFGBuilder took 1601.49 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 160.6 MB in the beginning and 137.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-20 00:23:29,174 INFO L168 Benchmark]: Sifa took 230273.87 ms. Allocated memory was 227.5 MB in the beginning and 150.5 MB in the end (delta: -77.1 MB). Free memory was 137.7 MB in the beginning and 67.1 MB in the end (delta: 70.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 00:23:29,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.59 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.4 MB in the beginning and 165.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.99 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1601.49 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 160.6 MB in the beginning and 137.7 MB in the end (delta: 22.9 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Sifa took 230273.87 ms. Allocated memory was 227.5 MB in the beginning and 150.5 MB in the end (delta: -77.1 MB). Free memory was 137.7 MB in the beginning and 67.1 MB in the end (delta: 70.5 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]: 230232, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 269, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 176, TOOLS_POST_TIME[ms]: 27857, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 255, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_APPLICATIONS: 329, TOOLS_QUANTIFIERELIM_TIME[ms]: 28104, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27751, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 279, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 178470, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 23031, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 76, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 306, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 111207, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 111206, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32477, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32476, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 387, DAG_COMPRESSION_RETAINED_NODES: 226 - UnprovableResult [Line: 902]: 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 536#(and (not (= 0 ~systemActive~0)) (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...