/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/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_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:29:53,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:29:53,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:29:53,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:29:53,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:29:53,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:29:53,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:29:53,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:29:53,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:29:53,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:29:53,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:29:53,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:29:53,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:29:53,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:29:53,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:29:53,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:29:53,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:29:53,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:29:53,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:29:53,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:29:53,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:29:53,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:29:53,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:29:53,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:29:53,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:29:53,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:29:53,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:29:53,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:29:53,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:29:53,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:29:53,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:29:53,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:29:53,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:29:53,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:29:53,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:29:53,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:29:53,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:29:53,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:29:53,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:29:53,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:29:53,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:29:53,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:29:53,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:29:53,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:29:53,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:29:53,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:29:53,366 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:29:53,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:29:53,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:29:53,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:29:53,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:29:53,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:29:53,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:29:53,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:29:53,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:29:53,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:29:53,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:29:53,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:29:53,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:29:53,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:29:53,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:29:53,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:29:53,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:29:53,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:29:53,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:29:53,371 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 [2019-11-07 04:29:53,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:29:53,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:29:53,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:29:53,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:29:53,686 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:29:53,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2019-11-07 04:29:53,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411a67c73/62113080c35d4d26b4729c04d0f5b88a/FLAG81004299d [2019-11-07 04:29:54,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:29:54,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2019-11-07 04:29:54,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411a67c73/62113080c35d4d26b4729c04d0f5b88a/FLAG81004299d [2019-11-07 04:29:54,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411a67c73/62113080c35d4d26b4729c04d0f5b88a [2019-11-07 04:29:54,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:29:54,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:29:54,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:54,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:29:54,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:29:54,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:54" (1/1) ... [2019-11-07 04:29:54,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329037be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:54, skipping insertion in model container [2019-11-07 04:29:54,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:29:54" (1/1) ... [2019-11-07 04:29:54,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:29:54,674 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:29:55,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:55,146 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:29:55,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:29:55,267 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:29:55,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55 WrapperNode [2019-11-07 04:29:55,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:29:55,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:29:55,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:29:55,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:29:55,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... [2019-11-07 04:29:55,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:29:55,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:29:55,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:29:55,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:29:55,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:29:55,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:29:55,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:29:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:29:55,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:29:55,464 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:29:55,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:29:55,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:29:55,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:29:55,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:29:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:29:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:29:55,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:29:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:29:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:29:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:29:55,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:29:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:29:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:29:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:29:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:29:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:29:57,364 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:29:57,365 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:29:57,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:57 BoogieIcfgContainer [2019-11-07 04:29:57,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:29:57,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:29:57,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:29:57,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:29:57,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:29:54" (1/3) ... [2019-11-07 04:29:57,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcd108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:57, skipping insertion in model container [2019-11-07 04:29:57,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:29:55" (2/3) ... [2019-11-07 04:29:57,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcd108d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:29:57, skipping insertion in model container [2019-11-07 04:29:57,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:29:57" (3/3) ... [2019-11-07 04:29:57,374 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2019-11-07 04:29:57,385 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:29:57,395 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:29:57,406 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:29:57,447 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:29:57,447 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:29:57,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:29:57,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:29:57,448 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:29:57,448 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:29:57,448 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:29:57,449 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:29:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-11-07 04:29:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:29:57,488 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:57,489 INFO L410 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] [2019-11-07 04:29:57,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:57,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:57,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1240647086, now seen corresponding path program 1 times [2019-11-07 04:29:57,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:57,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151171727] [2019-11-07 04:29:57,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:57,838 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151171727] [2019-11-07 04:29:57,839 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:57,839 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:29:57,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660264972] [2019-11-07 04:29:57,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:29:57,847 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:29:57,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:29:57,863 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2019-11-07 04:29:57,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:57,898 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2019-11-07 04:29:57,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:29:57,899 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:29:57,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:57,909 INFO L225 Difference]: With dead ends: 162 [2019-11-07 04:29:57,909 INFO L226 Difference]: Without dead ends: 83 [2019-11-07 04:29:57,913 INFO L630 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 [2019-11-07 04:29:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-11-07 04:29:57,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-11-07 04:29:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-07 04:29:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2019-11-07 04:29:57,960 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 46 [2019-11-07 04:29:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:57,961 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2019-11-07 04:29:57,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:29:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2019-11-07 04:29:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:29:57,965 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:57,966 INFO L410 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] [2019-11-07 04:29:57,966 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:57,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:57,966 INFO L82 PathProgramCache]: Analyzing trace with hash 317195835, now seen corresponding path program 1 times [2019-11-07 04:29:57,967 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:57,967 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777107992] [2019-11-07 04:29:57,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:58,082 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777107992] [2019-11-07 04:29:58,083 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:58,083 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:29:58,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131594961] [2019-11-07 04:29:58,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:29:58,085 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:58,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:29:58,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:29:58,086 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand 3 states. [2019-11-07 04:29:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:58,118 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2019-11-07 04:29:58,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:29:58,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:29:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:58,121 INFO L225 Difference]: With dead ends: 111 [2019-11-07 04:29:58,122 INFO L226 Difference]: Without dead ends: 75 [2019-11-07 04:29:58,125 INFO L630 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 [2019-11-07 04:29:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-07 04:29:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-11-07 04:29:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-07 04:29:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2019-11-07 04:29:58,143 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 47 [2019-11-07 04:29:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:58,144 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2019-11-07 04:29:58,144 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:29:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2019-11-07 04:29:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:29:58,147 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:58,147 INFO L410 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] [2019-11-07 04:29:58,147 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:58,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:58,148 INFO L82 PathProgramCache]: Analyzing trace with hash 497300282, now seen corresponding path program 1 times [2019-11-07 04:29:58,148 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:58,148 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738135624] [2019-11-07 04:29:58,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:58,361 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738135624] [2019-11-07 04:29:58,361 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:58,361 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:29:58,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332445071] [2019-11-07 04:29:58,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:29:58,364 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:58,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:29:58,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:29:58,366 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand 7 states. [2019-11-07 04:29:58,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:58,781 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2019-11-07 04:29:58,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:29:58,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-07 04:29:58,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:58,786 INFO L225 Difference]: With dead ends: 220 [2019-11-07 04:29:58,787 INFO L226 Difference]: Without dead ends: 170 [2019-11-07 04:29:58,788 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:29:58,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-11-07 04:29:58,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 152. [2019-11-07 04:29:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-07 04:29:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2019-11-07 04:29:58,827 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 50 [2019-11-07 04:29:58,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:58,828 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2019-11-07 04:29:58,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:29:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2019-11-07 04:29:58,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:29:58,834 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:58,834 INFO L410 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, 1] [2019-11-07 04:29:58,834 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:58,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:58,834 INFO L82 PathProgramCache]: Analyzing trace with hash 808021038, now seen corresponding path program 1 times [2019-11-07 04:29:58,835 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:58,835 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858362520] [2019-11-07 04:29:58,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:58,982 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858362520] [2019-11-07 04:29:58,982 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:58,982 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:29:58,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062803624] [2019-11-07 04:29:58,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:29:58,983 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:58,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:29:58,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:29:58,984 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 6 states. [2019-11-07 04:29:59,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:59,159 INFO L93 Difference]: Finished difference Result 388 states and 471 transitions. [2019-11-07 04:29:59,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:29:59,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-07 04:29:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:59,169 INFO L225 Difference]: With dead ends: 388 [2019-11-07 04:29:59,169 INFO L226 Difference]: Without dead ends: 261 [2019-11-07 04:29:59,173 INFO L630 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 [2019-11-07 04:29:59,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-07 04:29:59,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-11-07 04:29:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-07 04:29:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 293 transitions. [2019-11-07 04:29:59,222 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 293 transitions. Word has length 53 [2019-11-07 04:29:59,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:59,223 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 293 transitions. [2019-11-07 04:29:59,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:29:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 293 transitions. [2019-11-07 04:29:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:29:59,225 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:29:59,225 INFO L410 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, 1, 1, 1, 1] [2019-11-07 04:29:59,226 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:29:59,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:29:59,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1330328852, now seen corresponding path program 1 times [2019-11-07 04:29:59,226 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:29:59,227 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270366950] [2019-11-07 04:29:59,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:29:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:29:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:29:59,338 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270366950] [2019-11-07 04:29:59,338 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:29:59,339 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:29:59,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845963910] [2019-11-07 04:29:59,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:29:59,341 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:29:59,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:29:59,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:29:59,342 INFO L87 Difference]: Start difference. First operand 249 states and 293 transitions. Second operand 6 states. [2019-11-07 04:29:59,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:29:59,505 INFO L93 Difference]: Finished difference Result 449 states and 548 transitions. [2019-11-07 04:29:59,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:29:59,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-11-07 04:29:59,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:29:59,507 INFO L225 Difference]: With dead ends: 449 [2019-11-07 04:29:59,507 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:29:59,512 INFO L630 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 [2019-11-07 04:29:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:29:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:29:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:29:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:29:59,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-11-07 04:29:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:29:59,515 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:29:59,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:29:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:29:59,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:29:59,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:30:00,191 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-11-07 04:30:00,191 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-11-07 04:30:00,192 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 04:30:00,193 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 04:30:00,193 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 04:30:00,194 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 866 888) 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))) [2019-11-07 04:30:00,194 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2019-11-07 04:30:00,194 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:00,194 INFO L439 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:00,194 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-11-07 04:30:00,194 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2019-11-07 04:30:00,194 INFO L443 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2019-11-07 04:30:00,195 INFO L439 ceAbstractionStarter]: At program point L873(line 873) 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))) [2019-11-07 04:30:00,195 INFO L439 ceAbstractionStarter]: At program point L872(line 872) 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))) [2019-11-07 04:30:00,195 INFO L439 ceAbstractionStarter]: At program point L872-1(line 872) 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))) [2019-11-07 04:30:00,195 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-11-07 04:30:00,195 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-11-07 04:30:00,196 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-11-07 04:30:00,197 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2019-11-07 04:30:00,198 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:30:00,198 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-11-07 04:30:00,198 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:30:00,198 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 488 495) no Hoare annotation was computed. [2019-11-07 04:30:00,198 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 488 495) no Hoare annotation was computed. [2019-11-07 04:30:00,198 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2019-11-07 04:30:00,198 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2019-11-07 04:30:00,198 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point L572-1(line 572) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 542 577) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 542 577) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-11-07 04:30:00,199 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 855 865) 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))) [2019-11-07 04:30:00,200 INFO L439 ceAbstractionStarter]: At program point L860(line 860) 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))) [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 522 532) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 522 532) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2019-11-07 04:30:00,200 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2019-11-07 04:30:00,201 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 662) 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))) [2019-11-07 04:30:00,201 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2019-11-07 04:30:00,201 INFO L439 ceAbstractionStarter]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:00,201 INFO L439 ceAbstractionStarter]: At program point L645(line 645) 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))) [2019-11-07 04:30:00,201 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-11-07 04:30:00,201 INFO L439 ceAbstractionStarter]: At program point L643-1(lines 637 650) 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))) [2019-11-07 04:30:00,201 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 654) no Hoare annotation was computed. [2019-11-07 04:30:00,202 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 650) no Hoare annotation was computed. [2019-11-07 04:30:00,202 INFO L439 ceAbstractionStarter]: At program point L629(line 629) 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))) [2019-11-07 04:30:00,202 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-11-07 04:30:00,202 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-11-07 04:30:00,202 INFO L439 ceAbstractionStarter]: At program point L652(lines 607 654) 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))) [2019-11-07 04:30:00,202 INFO L439 ceAbstractionStarter]: At program point L619(line 619) 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))) [2019-11-07 04:30:00,202 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-11-07 04:30:00,202 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-11-07 04:30:00,203 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2019-11-07 04:30:00,203 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-11-07 04:30:00,203 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-11-07 04:30:00,203 INFO L439 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:30:00,203 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-11-07 04:30:00,204 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 704) no Hoare annotation was computed. [2019-11-07 04:30:00,204 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:30:00,204 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-11-07 04:30:00,204 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-11-07 04:30:00,204 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2019-11-07 04:30:00,204 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: true [2019-11-07 04:30:00,204 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 760 782) no Hoare annotation was computed. [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 760 782) no Hoare annotation was computed. [2019-11-07 04:30:00,205 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: true [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2019-11-07 04:30:00,205 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-11-07 04:30:00,206 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-11-07 04:30:00,207 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:30:00,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 497 513) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 497 513) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 497 513) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2019-11-07 04:30:00,208 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 783 791) no Hoare annotation was computed. [2019-11-07 04:30:00,209 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 783 791) no Hoare annotation was computed. [2019-11-07 04:30:00,209 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:00,209 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:30:00,209 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: true [2019-11-07 04:30:00,209 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2019-11-07 04:30:00,209 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2019-11-07 04:30:00,209 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2019-11-07 04:30:00,210 INFO L439 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-11-07 04:30:00,210 INFO L446 ceAbstractionStarter]: At program point L468(lines 468 474) the Hoare annotation is: true [2019-11-07 04:30:00,210 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: true [2019-11-07 04:30:00,210 INFO L439 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:30:00,210 INFO L443 ceAbstractionStarter]: For program point L461(lines 460 479) no Hoare annotation was computed. [2019-11-07 04:30:00,210 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2019-11-07 04:30:00,210 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2019-11-07 04:30:00,211 INFO L443 ceAbstractionStarter]: For program point L800-1(line 800) no Hoare annotation was computed. [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point L819(lines 794 823) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-11-07 04:30:00,211 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2019-11-07 04:30:00,211 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:30:00,212 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: true [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-11-07 04:30:00,212 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2019-11-07 04:30:00,212 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2019-11-07 04:30:00,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:30:00 BoogieIcfgContainer [2019-11-07 04:30:00,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:30:00,230 INFO L168 Benchmark]: Toolchain (without parser) took 5639.73 ms. Allocated memory was 139.5 MB in the beginning and 251.7 MB in the end (delta: 112.2 MB). Free memory was 100.3 MB in the beginning and 156.2 MB in the end (delta: -56.0 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,231 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.11 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 172.6 MB in the end (delta: -72.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,233 INFO L168 Benchmark]: Boogie Preprocessor took 115.06 ms. Allocated memory is still 202.4 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,234 INFO L168 Benchmark]: RCFGBuilder took 1982.34 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 157.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,235 INFO L168 Benchmark]: TraceAbstraction took 2859.63 ms. Allocated memory was 233.3 MB in the beginning and 251.7 MB in the end (delta: 18.4 MB). Free memory was 157.6 MB in the beginning and 156.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:00,239 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 139.5 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.11 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 172.6 MB in the end (delta: -72.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.06 ms. Allocated memory is still 202.4 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1982.34 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 157.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2859.63 ms. Allocated memory was 233.3 MB in the beginning and 251.7 MB in the end (delta: 18.4 MB). Free memory was 157.6 MB in the beginning and 156.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: 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: 606]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: 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 37 procedures, 168 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 446 SDtfs, 212 SDslu, 878 SDs, 0 SdLazy, 236 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=249occurred 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, 46 LocationsWithAnnotation, 296 PreInvPairs, 334 NumberOfFragments, 398 HoareAnnotationTreeSize, 296 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1199 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 22402 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...