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_spec1_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:14:41,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:14:41,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:14:41,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:14:41,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:14:41,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:14:41,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:14:41,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:14:41,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:14:41,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:14:41,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:14:41,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:14:41,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:14:41,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:14:41,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:14:41,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:14:41,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:14:41,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:14:41,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:14:41,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:14:41,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:14:41,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:14:41,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:14:41,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:14:41,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:14:41,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:14:41,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:14:41,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:14:41,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:14:41,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:14:41,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:14:41,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:14:41,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:14:41,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:14:41,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:14:41,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:14:41,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:14:41,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:14:41,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:14:41,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:14:41,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:14:41,435 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 [2019-10-07 15:14:41,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:14:41,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:14:41,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:14:41,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:14:41,452 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:14:41,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:14:41,452 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:14:41,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:14:41,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:14:41,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:14:41,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:14:41,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:14:41,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:14:41,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:14:41,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:14:41,454 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:14:41,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:14:41,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:14:41,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:14:41,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:14:41,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:14:41,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:14:41,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:14:41,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:14:41,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:14:41,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:14:41,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:14:41,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:14:41,457 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 [2019-10-07 15:14:41,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:14:41,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:14:41,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:14:41,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:14:41,788 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:14:41,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-10-07 15:14:41,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97ccbff1/4eb24c61a27c46c9b5b2dcd1c310a4fa/FLAG86b6ffc9a [2019-10-07 15:14:42,452 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:14:42,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2019-10-07 15:14:42,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97ccbff1/4eb24c61a27c46c9b5b2dcd1c310a4fa/FLAG86b6ffc9a [2019-10-07 15:14:42,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b97ccbff1/4eb24c61a27c46c9b5b2dcd1c310a4fa [2019-10-07 15:14:42,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:14:42,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:14:42,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:42,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:14:42,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:14:42,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:42" (1/1) ... [2019-10-07 15:14:42,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f2c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:42, skipping insertion in model container [2019-10-07 15:14:42,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:14:42" (1/1) ... [2019-10-07 15:14:42,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:14:42,808 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:14:43,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:43,246 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:14:43,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:14:43,385 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:14:43,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43 WrapperNode [2019-10-07 15:14:43,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:14:43,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:14:43,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:14:43,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:14:43,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (1/1) ... [2019-10-07 15:14:43,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:14:43,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:14:43,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:14:43,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:14:43,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (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 [2019-10-07 15:14:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:14:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:14:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:14:43,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:14:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:14:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:14:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:14:43,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:14:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:14:43,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:14:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:14:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:14:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:14:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:14:43,563 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:14:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:14:43,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:14:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:14:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:14:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:14:43,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:14:43,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:14:43,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:14:43,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:14:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:14:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:14:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:14:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:14:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:14:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:14:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:14:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:14:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:14:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:14:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:14:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:14:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:14:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:14:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:14:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:14:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:14:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:14:43,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:14:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:14:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:14:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:14:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:14:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:14:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:14:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:14:45,074 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:14:45,074 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:14:45,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:45 BoogieIcfgContainer [2019-10-07 15:14:45,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:14:45,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:14:45,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:14:45,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:14:45,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:14:42" (1/3) ... [2019-10-07 15:14:45,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd1a31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:45, skipping insertion in model container [2019-10-07 15:14:45,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:14:43" (2/3) ... [2019-10-07 15:14:45,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd1a31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:14:45, skipping insertion in model container [2019-10-07 15:14:45,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:14:45" (3/3) ... [2019-10-07 15:14:45,085 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2019-10-07 15:14:45,095 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:14:45,104 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:14:45,116 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:14:45,145 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:14:45,145 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:14:45,145 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:14:45,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:14:45,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:14:45,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:14:45,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:14:45,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:14:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-07 15:14:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:14:45,178 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:45,179 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:14:45,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:45,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:45,191 INFO L82 PathProgramCache]: Analyzing trace with hash -635291148, now seen corresponding path program 1 times [2019-10-07 15:14:45,202 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:45,203 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:45,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,203 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:45,614 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:45,614 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:45,616 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:14:45,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:14:45,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:14:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:14:45,636 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-07 15:14:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:45,673 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-10-07 15:14:45,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:14:45,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:14:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:45,686 INFO L225 Difference]: With dead ends: 157 [2019-10-07 15:14:45,686 INFO L226 Difference]: Without dead ends: 79 [2019-10-07 15:14:45,690 INFO L606 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 [2019-10-07 15:14:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-07 15:14:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-07 15:14:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-07 15:14:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-10-07 15:14:45,742 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-10-07 15:14:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:45,743 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-10-07 15:14:45,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:14:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-10-07 15:14:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:14:45,747 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:45,747 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:14:45,747 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:45,748 INFO L82 PathProgramCache]: Analyzing trace with hash 180217656, now seen corresponding path program 1 times [2019-10-07 15:14:45,748 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:45,748 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:45,748 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:45,879 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:45,879 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:45,879 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:14:45,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:14:45,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:14:45,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:14:45,882 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-10-07 15:14:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:45,915 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-07 15:14:45,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:14:45,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:14:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:45,921 INFO L225 Difference]: With dead ends: 106 [2019-10-07 15:14:45,921 INFO L226 Difference]: Without dead ends: 71 [2019-10-07 15:14:45,924 INFO L606 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 [2019-10-07 15:14:45,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-07 15:14:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-07 15:14:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-07 15:14:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-10-07 15:14:45,944 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-10-07 15:14:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:45,945 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-10-07 15:14:45,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:14:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-10-07 15:14:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:14:45,947 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:45,947 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:14:45,947 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1528152827, now seen corresponding path program 1 times [2019-10-07 15:14:45,948 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:45,948 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:45,949 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,949 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:46,178 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:46,178 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:46,178 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:14:46,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:14:46,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:14:46,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:14:46,181 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-10-07 15:14:46,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:46,556 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-10-07 15:14:46,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:14:46,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:14:46,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:46,565 INFO L225 Difference]: With dead ends: 213 [2019-10-07 15:14:46,565 INFO L226 Difference]: Without dead ends: 164 [2019-10-07 15:14:46,568 INFO L606 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 [2019-10-07 15:14:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-07 15:14:46,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-10-07 15:14:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-07 15:14:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-10-07 15:14:46,615 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-10-07 15:14:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:46,616 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-10-07 15:14:46,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:14:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-10-07 15:14:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:14:46,622 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:46,622 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:14:46,623 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:46,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash -594070249, now seen corresponding path program 1 times [2019-10-07 15:14:46,623 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:46,623 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:46,624 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:46,624 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:46,782 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:46,783 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:46,783 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:14:46,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:14:46,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:14:46,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:14:46,785 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 6 states. [2019-10-07 15:14:46,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:46,962 INFO L93 Difference]: Finished difference Result 379 states and 456 transitions. [2019-10-07 15:14:46,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:14:46,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-07 15:14:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:46,967 INFO L225 Difference]: With dead ends: 379 [2019-10-07 15:14:46,967 INFO L226 Difference]: Without dead ends: 255 [2019-10-07 15:14:46,969 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:14:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-07 15:14:46,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 243. [2019-10-07 15:14:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-10-07 15:14:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2019-10-07 15:14:46,994 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 49 [2019-10-07 15:14:46,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:46,995 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2019-10-07 15:14:46,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:14:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2019-10-07 15:14:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:14:46,997 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:14:46,997 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:14:46,998 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:14:46,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:14:46,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1349167195, now seen corresponding path program 1 times [2019-10-07 15:14:46,998 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:14:46,998 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:46,999 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:46,999 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:14:46,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:14:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:14:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:14:47,082 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:14:47,083 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:14:47,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:14:47,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:14:47,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:14:47,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:14:47,084 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2019-10-07 15:14:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:14:47,237 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-10-07 15:14:47,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:14:47,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-10-07 15:14:47,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:14:47,238 INFO L225 Difference]: With dead ends: 443 [2019-10-07 15:14:47,238 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:14:47,241 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:14:47,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:14:47,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:14:47,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:14:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:14:47,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2019-10-07 15:14:47,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:14:47,243 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:14:47,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:14:47,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:14:47,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:14:47,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:14:47,879 INFO L443 ceAbstractionStarter]: For program point L609(lines 586 610) no Hoare annotation was computed. [2019-10-07 15:14:47,879 INFO L443 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2019-10-07 15:14:47,879 INFO L443 ceAbstractionStarter]: For program point L587-2(lines 587 608) no Hoare annotation was computed. [2019-10-07 15:14:47,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 562 617) no Hoare annotation was computed. [2019-10-07 15:14:47,879 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 562 617) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point L670(lines 643 671) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 618 677) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 618 677) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-07 15:14:47,880 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 618 677) no Hoare annotation was computed. [2019-10-07 15:14:47,881 INFO L443 ceAbstractionStarter]: For program point L644-2(lines 644 669) no Hoare annotation was computed. [2019-10-07 15:14:47,881 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-07 15:14:47,881 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-07 15:14:47,881 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-07 15:14:47,881 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-07 15:14:47,881 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:14:47,882 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-07 15:14:47,882 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,882 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,882 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,883 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,883 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-07 15:14:47,883 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,883 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,883 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-07 15:14:47,883 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:14:47,884 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:14:47,885 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:14:47,886 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:14:47,886 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 311 325) no Hoare annotation was computed. [2019-10-07 15:14:47,886 INFO L439 ceAbstractionStarter]: At program point L317(line 317) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:14:47,886 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 321) no Hoare annotation was computed. [2019-10-07 15:14:47,886 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 311 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:14:47,886 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 221 228) no Hoare annotation was computed. [2019-10-07 15:14:47,886 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 221 228) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 266 274) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 266 274) the Hoare annotation is: true [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point L305(line 305) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 275 310) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 275 310) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-07 15:14:47,887 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-07 15:14:47,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-07 15:14:47,888 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-07 15:14:47,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 829 874) no Hoare annotation was computed. [2019-10-07 15:14:47,888 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 829 874) no Hoare annotation was computed. [2019-10-07 15:14:47,888 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,888 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 255 265) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 255 265) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 247 254) the Hoare annotation is: true [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2019-10-07 15:14:47,889 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 214 220) no Hoare annotation was computed. [2019-10-07 15:14:47,890 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 214 220) the Hoare annotation is: true [2019-10-07 15:14:47,890 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 327 392) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,890 INFO L439 ceAbstractionStarter]: At program point L382(lines 337 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,890 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,890 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-07 15:14:47,890 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2019-10-07 15:14:47,891 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 327 392) no Hoare annotation was computed. [2019-10-07 15:14:47,891 INFO L439 ceAbstractionStarter]: At program point L385(lines 336 386) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,891 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,891 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 379) no Hoare annotation was computed. [2019-10-07 15:14:47,891 INFO L439 ceAbstractionStarter]: At program point L373-1(lines 367 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,891 INFO L443 ceAbstractionStarter]: For program point L338(lines 337 384) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 380) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L439 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 327 392) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 783 828) no Hoare annotation was computed. [2019-10-07 15:14:47,892 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 783 828) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 451 473) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 451 473) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2019-10-07 15:14:47,893 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 680 782) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point L729-2(lines 729 749) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point L750(lines 728 751) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 680 782) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 725) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point L730(lines 729 749) no Hoare annotation was computed. [2019-10-07 15:14:47,894 INFO L443 ceAbstractionStarter]: For program point L761(line 761) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 767) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 680 782) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point L745(line 745) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-10-07 15:14:47,895 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:14:47,895 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point L241-1(lines 230 246) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 230 246) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 230 246) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 474 482) no Hoare annotation was computed. [2019-10-07 15:14:47,896 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 474 482) no Hoare annotation was computed. [2019-10-07 15:14:47,897 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 430 441) the Hoare annotation is: true [2019-10-07 15:14:47,897 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 430 441) no Hoare annotation was computed. [2019-10-07 15:14:47,897 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:47,897 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:14:47,897 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: true [2019-10-07 15:14:47,897 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-07 15:14:47,898 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2019-10-07 15:14:47,898 INFO L446 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: true [2019-10-07 15:14:47,898 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2019-10-07 15:14:47,898 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:14:47,898 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2019-10-07 15:14:47,898 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:14:47,898 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:14:47,898 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:14:47,899 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:14:47,899 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:14:47,899 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:14:47,899 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:14:47,899 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:14:47,899 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:14:47,899 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 442 450) the Hoare annotation is: true [2019-10-07 15:14:47,900 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 442 450) no Hoare annotation was computed. [2019-10-07 15:14:47,900 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 406 417) the Hoare annotation is: true [2019-10-07 15:14:47,900 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 406 417) no Hoare annotation was computed. [2019-10-07 15:14:47,900 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:14:47,900 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:14:47,900 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:14:47,900 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:14:47,901 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:14:47,901 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:14:47,901 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 418 429) no Hoare annotation was computed. [2019-10-07 15:14:47,901 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 418 429) the Hoare annotation is: true [2019-10-07 15:14:47,901 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-10-07 15:14:47,901 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 394 401) the Hoare annotation is: true [2019-10-07 15:14:47,902 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 394 401) no Hoare annotation was computed. [2019-10-07 15:14:47,902 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 484 508) the Hoare annotation is: true [2019-10-07 15:14:47,902 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 484 508) no Hoare annotation was computed. [2019-10-07 15:14:47,902 INFO L439 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:14:47,902 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-07 15:14:47,902 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:14:47,902 INFO L443 ceAbstractionStarter]: For program point L494-1(line 494) no Hoare annotation was computed. [2019-10-07 15:14:47,902 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 505) no Hoare annotation was computed. [2019-10-07 15:14:47,903 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 484 508) no Hoare annotation was computed. [2019-10-07 15:14:47,903 INFO L446 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2019-10-07 15:14:47,903 INFO L443 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2019-10-07 15:14:47,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:14:47 BoogieIcfgContainer [2019-10-07 15:14:47,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:14:47,921 INFO L168 Benchmark]: Toolchain (without parser) took 5178.64 ms. Allocated memory was 144.7 MB in the beginning and 247.5 MB in the end (delta: 102.8 MB). Free memory was 101.4 MB in the beginning and 150.8 MB in the end (delta: -49.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,922 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.61 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 168.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,924 INFO L168 Benchmark]: Boogie Preprocessor took 93.09 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,925 INFO L168 Benchmark]: RCFGBuilder took 1596.51 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 155.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,927 INFO L168 Benchmark]: TraceAbstraction took 2840.56 ms. Allocated memory was 233.3 MB in the beginning and 247.5 MB in the end (delta: 14.2 MB). Free memory was 155.4 MB in the beginning and 150.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:14:47,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.61 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 168.7 MB in the end (delta: -67.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.09 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.51 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 164.7 MB in the beginning and 155.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2840.56 ms. Allocated memory was 233.3 MB in the beginning and 247.5 MB in the end (delta: 14.2 MB). Free memory was 155.4 MB in the beginning and 150.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: 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: 336]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 423 SDtfs, 201 SDslu, 834 SDs, 0 SdLazy, 228 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=4, 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, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 294 PreInvPairs, 332 NumberOfFragments, 374 HoareAnnotationTreeSize, 294 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1177 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 19393 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...