java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --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_spec5_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:44,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:44,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:44,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:44,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:44,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:44,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:44,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:44,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:44,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:44,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:44,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:44,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:44,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:44,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:44,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:44,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:44,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:44,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:44,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:44,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:44,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:44,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:44,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:44,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:44,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:44,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:44,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:44,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:44,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:44,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:44,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:44,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:44,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:44,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:44,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:44,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:44,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:44,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:44,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:44,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:44,406 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 [2019-10-13 23:17:44,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:44,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:44,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:44,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:44,428 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:44,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:44,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:44,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:44,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:44,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:44,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:44,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:44,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:44,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:44,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:44,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:44,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:44,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:44,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:44,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:44,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:44,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:44,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:44,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:44,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:44,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:44,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:44,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:44,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN 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 [2019-10-13 23:17:44,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:44,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:44,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:44,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:44,773 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:44,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-10-13 23:17:44,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79a91cae/fd4cb2813b2d4198878605d14873c426/FLAG991a91617 [2019-10-13 23:17:45,389 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:45,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-10-13 23:17:45,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79a91cae/fd4cb2813b2d4198878605d14873c426/FLAG991a91617 [2019-10-13 23:17:45,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79a91cae/fd4cb2813b2d4198878605d14873c426 [2019-10-13 23:17:45,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:45,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:45,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:45,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:45,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:45,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481294dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:45, skipping insertion in model container [2019-10-13 23:17:45,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:45" (1/1) ... [2019-10-13 23:17:45,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:45,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:46,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,206 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:46,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:46,304 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:46,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46 WrapperNode [2019-10-13 23:17:46,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:46,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:46,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:46,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (1/1) ... [2019-10-13 23:17:46,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:46,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:46,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:46,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:46,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (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 [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:17:46,446 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:46,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:46,448 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:46,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:46,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:46,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:46,455 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:46,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:46,457 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:46,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:46,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:46,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:47,931 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:47,931 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:47,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:47 BoogieIcfgContainer [2019-10-13 23:17:47,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:47,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:47,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:47,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:47,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:45" (1/3) ... [2019-10-13 23:17:47,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58981ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:47, skipping insertion in model container [2019-10-13 23:17:47,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:46" (2/3) ... [2019-10-13 23:17:47,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58981ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:47, skipping insertion in model container [2019-10-13 23:17:47,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:47" (3/3) ... [2019-10-13 23:17:47,942 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2019-10-13 23:17:47,951 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:47,959 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:47,970 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:47,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:47,996 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:47,996 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:47,996 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:47,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:47,997 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:47,997 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:47,997 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-10-13 23:17:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:48,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,029 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,031 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1042652049, now seen corresponding path program 1 times [2019-10-13 23:17:48,047 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469158773] [2019-10-13 23:17:48,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:48,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469158773] [2019-10-13 23:17:48,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:48,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:48,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678778116] [2019-10-13 23:17:48,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:48,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:48,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:48,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:48,464 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2019-10-13 23:17:48,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:48,504 INFO L93 Difference]: Finished difference Result 208 states and 255 transitions. [2019-10-13 23:17:48,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:48,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:48,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:48,518 INFO L225 Difference]: With dead ends: 208 [2019-10-13 23:17:48,518 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 23:17:48,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 23:17:48,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 23:17:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 23:17:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2019-10-13 23:17:48,575 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2019-10-13 23:17:48,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:48,576 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2019-10-13 23:17:48,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2019-10-13 23:17:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:48,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,580 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,580 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1877551872, now seen corresponding path program 1 times [2019-10-13 23:17:48,581 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978676093] [2019-10-13 23:17:48,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:48,700 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978676093] [2019-10-13 23:17:48,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:48,701 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:48,701 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878083208] [2019-10-13 23:17:48,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:48,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:48,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:48,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:48,704 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2019-10-13 23:17:48,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:48,734 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2019-10-13 23:17:48,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:48,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:48,737 INFO L225 Difference]: With dead ends: 156 [2019-10-13 23:17:48,738 INFO L226 Difference]: Without dead ends: 98 [2019-10-13 23:17:48,739 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:48,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-10-13 23:17:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-10-13 23:17:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-13 23:17:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2019-10-13 23:17:48,757 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 53 [2019-10-13 23:17:48,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:48,758 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2019-10-13 23:17:48,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2019-10-13 23:17:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:17:48,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:48,761 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:48,761 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:48,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:48,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1663790156, now seen corresponding path program 1 times [2019-10-13 23:17:48,762 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:48,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316186628] [2019-10-13 23:17:48,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,763 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:48,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:49,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316186628] [2019-10-13 23:17:49,000 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,000 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:49,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131798355] [2019-10-13 23:17:49,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:49,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:49,004 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 7 states. [2019-10-13 23:17:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:49,421 INFO L93 Difference]: Finished difference Result 294 states and 353 transitions. [2019-10-13 23:17:49,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:17:49,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 23:17:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:49,430 INFO L225 Difference]: With dead ends: 294 [2019-10-13 23:17:49,430 INFO L226 Difference]: Without dead ends: 221 [2019-10-13 23:17:49,433 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:49,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-13 23:17:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2019-10-13 23:17:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-13 23:17:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2019-10-13 23:17:49,492 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 57 [2019-10-13 23:17:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:49,493 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2019-10-13 23:17:49,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2019-10-13 23:17:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:17:49,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:49,503 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:49,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:49,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1341161282, now seen corresponding path program 1 times [2019-10-13 23:17:49,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:49,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535434801] [2019-10-13 23:17:49,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:49,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:49,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535434801] [2019-10-13 23:17:49,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:49,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:49,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009038245] [2019-10-13 23:17:49,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:49,650 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:49,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:49,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:49,650 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand 7 states. [2019-10-13 23:17:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:49,995 INFO L93 Difference]: Finished difference Result 353 states and 439 transitions. [2019-10-13 23:17:49,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:17:49,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:17:49,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:49,997 INFO L225 Difference]: With dead ends: 353 [2019-10-13 23:17:49,997 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:50,000 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:17:50,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:50,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:50,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:17:50,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:50,002 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:50,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:50,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:50,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:50,669 INFO L443 ceAbstractionStarter]: For program point L547-2(lines 547 568) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point L569(lines 546 570) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 557) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 522 577) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 522 577) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 629) no Hoare annotation was computed. [2019-10-13 23:17:50,670 INFO L443 ceAbstractionStarter]: For program point L630(lines 603 631) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 578 637) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 578 637) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point L623-1(line 623) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 578 637) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-10-13 23:17:50,671 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 402 408) the Hoare annotation is: true [2019-10-13 23:17:50,672 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 402 408) no Hoare annotation was computed. [2019-10-13 23:17:50,672 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 409 417) no Hoare annotation was computed. [2019-10-13 23:17:50,672 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 409 417) the Hoare annotation is: true [2019-10-13 23:17:50,672 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 422 429) the Hoare annotation is: true [2019-10-13 23:17:50,672 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 422 429) no Hoare annotation was computed. [2019-10-13 23:17:50,672 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 430 439) the Hoare annotation is: true [2019-10-13 23:17:50,672 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 430 439) no Hoare annotation was computed. [2019-10-13 23:17:50,672 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-13 23:17:50,673 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 23:17:50,673 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 465) no Hoare annotation was computed. [2019-10-13 23:17:50,673 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 440 468) no Hoare annotation was computed. [2019-10-13 23:17:50,673 INFO L446 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2019-10-13 23:17:50,673 INFO L443 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2019-10-13 23:17:50,673 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 440 468) the Hoare annotation is: true [2019-10-13 23:17:50,673 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 440 468) no Hoare annotation was computed. [2019-10-13 23:17:50,674 INFO L439 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:50,674 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-10-13 23:17:50,674 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 462) no Hoare annotation was computed. [2019-10-13 23:17:50,674 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-13 23:17:50,674 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 360 382) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,674 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 360 382) no Hoare annotation was computed. [2019-10-13 23:17:50,674 INFO L439 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~2 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:50,675 INFO L439 ceAbstractionStarter]: At program point L372-1(line 372) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~2 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:50,675 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 377) no Hoare annotation was computed. [2019-10-13 23:17:50,675 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 370 377) no Hoare annotation was computed. [2019-10-13 23:17:50,675 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-13 23:17:50,675 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,676 INFO L439 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,676 INFO L439 ceAbstractionStarter]: At program point L366-1(line 366) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 314 337) no Hoare annotation was computed. [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 314 337) no Hoare annotation was computed. [2019-10-13 23:17:50,676 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 314 337) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L331(line 331) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L330(line 330) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L327(line 327) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-13 23:17:50,677 INFO L443 ceAbstractionStarter]: For program point L325(line 325) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L443 ceAbstractionStarter]: For program point L324(line 324) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:50,678 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 187 201) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 197) no Hoare annotation was computed. [2019-10-13 23:17:50,678 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 187 201) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 142 150) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 142 150) the Hoare annotation is: true [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 151 186) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 151 186) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 395 401) no Hoare annotation was computed. [2019-10-13 23:17:50,679 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 395 401) the Hoare annotation is: true [2019-10-13 23:17:50,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 476 521) no Hoare annotation was computed. [2019-10-13 23:17:50,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 476 521) no Hoare annotation was computed. [2019-10-13 23:17:50,680 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 789 834) no Hoare annotation was computed. [2019-10-13 23:17:50,680 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 789 834) no Hoare annotation was computed. [2019-10-13 23:17:50,680 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 346 356) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,680 INFO L439 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,680 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 346 356) no Hoare annotation was computed. [2019-10-13 23:17:50,681 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 346 356) no Hoare annotation was computed. [2019-10-13 23:17:50,681 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 131 141) the Hoare annotation is: true [2019-10-13 23:17:50,681 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 131 141) no Hoare annotation was computed. [2019-10-13 23:17:50,681 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-13 23:17:50,681 INFO L443 ceAbstractionStarter]: For program point L136-1(line 136) no Hoare annotation was computed. [2019-10-13 23:17:50,681 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 123 130) the Hoare annotation is: true [2019-10-13 23:17:50,681 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 123 130) no Hoare annotation was computed. [2019-10-13 23:17:50,682 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,682 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-10-13 23:17:50,682 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-10-13 23:17:50,682 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 90 114) no Hoare annotation was computed. [2019-10-13 23:17:50,682 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,682 INFO L439 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,682 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-10-13 23:17:50,683 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,683 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-13 23:17:50,683 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-10-13 23:17:50,683 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-10-13 23:17:50,683 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-10-13 23:17:50,683 INFO L443 ceAbstractionStarter]: For program point L225(lines 224 273) no Hoare annotation was computed. [2019-10-13 23:17:50,683 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,684 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 214 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,684 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 269) no Hoare annotation was computed. [2019-10-13 23:17:50,684 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 214 281) no Hoare annotation was computed. [2019-10-13 23:17:50,684 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,684 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 250) no Hoare annotation was computed. [2019-10-13 23:17:50,684 INFO L443 ceAbstractionStarter]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2019-10-13 23:17:50,684 INFO L439 ceAbstractionStarter]: At program point L271(lines 224 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,685 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,685 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2019-10-13 23:17:50,685 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2019-10-13 23:17:50,685 INFO L439 ceAbstractionStarter]: At program point L274(lines 223 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,685 INFO L439 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,685 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 268) no Hoare annotation was computed. [2019-10-13 23:17:50,685 INFO L439 ceAbstractionStarter]: At program point L262-1(lines 254 269) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 214 281) no Hoare annotation was computed. [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 743 788) no Hoare annotation was computed. [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 743 788) no Hoare annotation was computed. [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 892 914) no Hoare annotation was computed. [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 892 914) no Hoare annotation was computed. [2019-10-13 23:17:50,686 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 385 394) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 385 394) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 640 742) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 685) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point L690(lines 689 709) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 727) no Hoare annotation was computed. [2019-10-13 23:17:50,687 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 640 742) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point L705(line 705) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point L705-1(line 705) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 668) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 640 742) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point L689-2(lines 689 709) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L443 ceAbstractionStarter]: For program point L710(lines 688 711) no Hoare annotation was computed. [2019-10-13 23:17:50,688 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 115 122) no Hoare annotation was computed. [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 115 122) no Hoare annotation was computed. [2019-10-13 23:17:50,689 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 915 923) the Hoare annotation is: true [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 915 923) no Hoare annotation was computed. [2019-10-13 23:17:50,689 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 871 882) the Hoare annotation is: true [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 871 882) no Hoare annotation was computed. [2019-10-13 23:17:50,689 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,690 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,690 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 883 891) the Hoare annotation is: true [2019-10-13 23:17:50,690 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 883 891) no Hoare annotation was computed. [2019-10-13 23:17:50,690 INFO L439 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:50,690 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-10-13 23:17:50,690 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-10-13 23:17:50,690 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,691 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-10-13 23:17:50,691 INFO L439 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-13 23:17:50,691 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-10-13 23:17:50,691 INFO L439 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,691 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-10-13 23:17:50,691 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2019-10-13 23:17:50,691 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: true [2019-10-13 23:17:50,692 INFO L446 ceAbstractionStarter]: At program point L309(lines 284 313) the Hoare annotation is: true [2019-10-13 23:17:50,692 INFO L443 ceAbstractionStarter]: For program point L305(line 305) no Hoare annotation was computed. [2019-10-13 23:17:50,692 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 302) no Hoare annotation was computed. [2019-10-13 23:17:50,692 INFO L446 ceAbstractionStarter]: At program point L298-1(lines 298 302) the Hoare annotation is: true [2019-10-13 23:17:50,692 INFO L446 ceAbstractionStarter]: At program point L294-2(lines 294 308) the Hoare annotation is: true [2019-10-13 23:17:50,692 INFO L446 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2019-10-13 23:17:50,692 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 847 858) the Hoare annotation is: true [2019-10-13 23:17:50,693 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 847 858) no Hoare annotation was computed. [2019-10-13 23:17:50,693 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2019-10-13 23:17:50,693 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2019-10-13 23:17:50,693 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,693 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:50,693 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:50,693 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:50,693 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2019-10-13 23:17:50,694 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: true [2019-10-13 23:17:50,694 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 859 870) no Hoare annotation was computed. [2019-10-13 23:17:50,694 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 859 870) the Hoare annotation is: true [2019-10-13 23:17:50,694 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 840) no Hoare annotation was computed. [2019-10-13 23:17:50,694 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 836 843) the Hoare annotation is: true [2019-10-13 23:17:50,694 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 836 843) no Hoare annotation was computed. [2019-10-13 23:17:50,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:50 BoogieIcfgContainer [2019-10-13 23:17:50,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:50,710 INFO L168 Benchmark]: Toolchain (without parser) took 5046.83 ms. Allocated memory was 137.9 MB in the beginning and 250.1 MB in the end (delta: 112.2 MB). Free memory was 101.2 MB in the beginning and 124.9 MB in the end (delta: -23.7 MB). Peak memory consumption was 130.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,710 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.37 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 168.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,712 INFO L168 Benchmark]: Boogie Preprocessor took 85.12 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,713 INFO L168 Benchmark]: RCFGBuilder took 1542.39 ms. Allocated memory was 200.8 MB in the beginning and 232.8 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 150.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,714 INFO L168 Benchmark]: TraceAbstraction took 2773.12 ms. Allocated memory was 232.8 MB in the beginning and 250.1 MB in the end (delta: 17.3 MB). Free memory was 150.7 MB in the beginning and 124.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:50,719 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 137.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.37 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 168.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.12 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1542.39 ms. Allocated memory was 200.8 MB in the beginning and 232.8 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 150.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2773.12 ms. Allocated memory was 232.8 MB in the beginning and 250.1 MB in the end (delta: 17.3 MB). Free memory was 150.7 MB in the beginning and 124.9 MB in the end (delta: 25.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 840]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 178 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 463 SDtfs, 252 SDslu, 690 SDs, 0 SdLazy, 368 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...