java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:36,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:36,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:36,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:36,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:36,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:36,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:36,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:36,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:36,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:36,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:36,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:36,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:36,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:36,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:36,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:36,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:36,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:36,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:36,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:36,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:36,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:36,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:36,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:36,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:36,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:36,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:36,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:36,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:36,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:36,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:36,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:36,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:36,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:36,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:36,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:36,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:36,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:36,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:36,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:36,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:36,348 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 15:20:36,380 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:36,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:36,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:36,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:36,385 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:36,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:36,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:36,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:36,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:36,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:36,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:36,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:36,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:36,392 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:36,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:36,392 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:36,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:36,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:36,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:36,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:36,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:36,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:36,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:36,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:36,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:36,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:36,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:36,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:36,395 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 15:20:36,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:36,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:36,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:36,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:36,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:36,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-10-07 15:20:36,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9397f0e/c8ce7cb71c0e460b9ce61cbd308b444c/FLAGd8c50b683 [2019-10-07 15:20:37,293 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:37,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2019-10-07 15:20:37,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9397f0e/c8ce7cb71c0e460b9ce61cbd308b444c/FLAGd8c50b683 [2019-10-07 15:20:37,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b9397f0e/c8ce7cb71c0e460b9ce61cbd308b444c [2019-10-07 15:20:37,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:37,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:37,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:37,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:37,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:37,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b043f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37, skipping insertion in model container [2019-10-07 15:20:37,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,618 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:37,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:38,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:38,075 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:38,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:38,206 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:38,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38 WrapperNode [2019-10-07 15:20:38,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:38,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:38,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:38,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:38,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (1/1) ... [2019-10-07 15:20:38,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:38,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:38,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:38,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:38,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (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 15:20:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:20:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:20:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:20:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:20:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:20:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:40,050 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:40,051 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:40,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:40 BoogieIcfgContainer [2019-10-07 15:20:40,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:40,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:40,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:40,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:40,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:37" (1/3) ... [2019-10-07 15:20:40,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2acebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:40, skipping insertion in model container [2019-10-07 15:20:40,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:38" (2/3) ... [2019-10-07 15:20:40,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2acebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:40, skipping insertion in model container [2019-10-07 15:20:40,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:40" (3/3) ... [2019-10-07 15:20:40,060 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2019-10-07 15:20:40,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:40,078 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:40,090 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:40,132 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:40,132 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:40,132 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:40,132 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:40,133 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:40,133 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:40,133 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:40,133 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-10-07 15:20:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:40,184 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,185 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,191 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,200 INFO L82 PathProgramCache]: Analyzing trace with hash 50326650, now seen corresponding path program 1 times [2019-10-07 15:20:40,211 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,213 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,214 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,214 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:40,660 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,660 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,661 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:40,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:40,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:40,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:40,683 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-10-07 15:20:40,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,718 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-10-07 15:20:40,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:40,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,733 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:20:40,733 INFO L226 Difference]: Without dead ends: 96 [2019-10-07 15:20:40,737 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 15:20:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-07 15:20:40,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-10-07 15:20:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-07 15:20:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-10-07 15:20:40,789 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-10-07 15:20:40,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,790 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-10-07 15:20:40,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:40,790 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-10-07 15:20:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:40,794 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,794 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,795 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,795 INFO L82 PathProgramCache]: Analyzing trace with hash -117667360, now seen corresponding path program 1 times [2019-10-07 15:20:40,796 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,796 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:40,910 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,911 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,911 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:40,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:40,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:40,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:40,914 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-10-07 15:20:40,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,940 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-10-07 15:20:40,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:40,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,943 INFO L225 Difference]: With dead ends: 146 [2019-10-07 15:20:40,944 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:20:40,945 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 15:20:40,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:20:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:20:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:20:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-10-07 15:20:40,959 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-10-07 15:20:40,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,960 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-10-07 15:20:40,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-10-07 15:20:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:20:40,962 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,962 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,963 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,963 INFO L82 PathProgramCache]: Analyzing trace with hash 682985585, now seen corresponding path program 1 times [2019-10-07 15:20:40,964 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,964 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,964 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,964 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:41,194 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,194 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:41,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:41,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:41,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:41,196 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-10-07 15:20:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:41,516 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-10-07 15:20:41,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:41,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-07 15:20:41,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:41,521 INFO L225 Difference]: With dead ends: 151 [2019-10-07 15:20:41,521 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:20:41,522 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 15:20:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:20:41,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:20:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:20:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-10-07 15:20:41,537 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-10-07 15:20:41,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:41,541 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-10-07 15:20:41,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-10-07 15:20:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:20:41,543 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:41,544 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:41,544 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:41,547 INFO L82 PathProgramCache]: Analyzing trace with hash 847472636, now seen corresponding path program 1 times [2019-10-07 15:20:41,548 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:41,548 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,548 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,548 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:41,730 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:41,730 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:41,730 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:41,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:41,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:41,732 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-10-07 15:20:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:42,071 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-10-07 15:20:42,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:42,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-10-07 15:20:42,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:42,073 INFO L225 Difference]: With dead ends: 133 [2019-10-07 15:20:42,073 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:42,075 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:42,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:42,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-07 15:20:42,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:42,076 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:42,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:42,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:42,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:42,536 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L245(lines 222 246) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2019-10-07 15:20:42,537 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point L306(lines 279 307) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2019-10-07 15:20:42,538 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2019-10-07 15:20:42,539 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2019-10-07 15:20:42,540 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 559 566) the Hoare annotation is: true [2019-10-07 15:20:42,540 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 559 566) no Hoare annotation was computed. [2019-10-07 15:20:42,540 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 567 576) the Hoare annotation is: true [2019-10-07 15:20:42,540 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-07 15:20:42,540 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 567 576) no Hoare annotation was computed. [2019-10-07 15:20:42,540 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 577 605) the Hoare annotation is: true [2019-10-07 15:20:42,541 INFO L439 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,541 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 596) no Hoare annotation was computed. [2019-10-07 15:20:42,541 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 599) no Hoare annotation was computed. [2019-10-07 15:20:42,541 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 577 605) no Hoare annotation was computed. [2019-10-07 15:20:42,541 INFO L446 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: true [2019-10-07 15:20:42,541 INFO L443 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2019-10-07 15:20:42,541 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2019-10-07 15:20:42,542 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 577 605) no Hoare annotation was computed. [2019-10-07 15:20:42,542 INFO L446 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: true [2019-10-07 15:20:42,542 INFO L443 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2019-10-07 15:20:42,542 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,542 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,542 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,543 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,543 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-07 15:20:42,543 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:42,543 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:42,543 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:20:42,543 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:20:42,544 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:20:42,545 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:20:42,546 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2019-10-07 15:20:42,547 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2019-10-07 15:20:42,547 INFO L446 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2019-10-07 15:20:42,547 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-07 15:20:42,547 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2019-10-07 15:20:42,547 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2019-10-07 15:20:42,547 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-07 15:20:42,547 INFO L443 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2019-10-07 15:20:42,548 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 801 836) no Hoare annotation was computed. [2019-10-07 15:20:42,548 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 801 836) no Hoare annotation was computed. [2019-10-07 15:20:42,548 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-07 15:20:42,548 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2019-10-07 15:20:42,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2019-10-07 15:20:42,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2019-10-07 15:20:42,549 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2019-10-07 15:20:42,549 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2019-10-07 15:20:42,549 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,549 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,549 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:20:42,549 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 781 791) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2019-10-07 15:20:42,550 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2019-10-07 15:20:42,550 INFO L439 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,551 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2019-10-07 15:20:42,551 INFO L443 ceAbstractionStarter]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2019-10-07 15:20:42,551 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,551 INFO L439 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,551 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,551 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 756) no Hoare annotation was computed. [2019-10-07 15:20:42,552 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,552 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-07 15:20:42,552 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 761) no Hoare annotation was computed. [2019-10-07 15:20:42,552 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 732 738) no Hoare annotation was computed. [2019-10-07 15:20:42,552 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 732 738) the Hoare annotation is: true [2019-10-07 15:20:42,552 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 857 920) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,552 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 857 920) no Hoare annotation was computed. [2019-10-07 15:20:42,553 INFO L439 ceAbstractionStarter]: At program point L913(lines 866 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,553 INFO L439 ceAbstractionStarter]: At program point L903-2(lines 897 908) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,553 INFO L443 ceAbstractionStarter]: For program point L868(lines 867 912) no Hoare annotation was computed. [2019-10-07 15:20:42,553 INFO L439 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,553 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-10-07 15:20:42,553 INFO L443 ceAbstractionStarter]: For program point L887-1(lines 887 893) no Hoare annotation was computed. [2019-10-07 15:20:42,554 INFO L439 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,554 INFO L439 ceAbstractionStarter]: At program point L910(lines 867 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,554 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 883) no Hoare annotation was computed. [2019-10-07 15:20:42,554 INFO L443 ceAbstractionStarter]: For program point L877-1(lines 877 883) no Hoare annotation was computed. [2019-10-07 15:20:42,554 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 857 920) no Hoare annotation was computed. [2019-10-07 15:20:42,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2019-10-07 15:20:42,554 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 690 698) the Hoare annotation is: true [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 690 698) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 361) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point L366(lines 365 385) no Hoare annotation was computed. [2019-10-07 15:20:42,555 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 403) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 344) no Hoare annotation was computed. [2019-10-07 15:20:42,556 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2019-10-07 15:20:42,557 INFO L443 ceAbstractionStarter]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2019-10-07 15:20:42,557 INFO L443 ceAbstractionStarter]: For program point L386(lines 364 387) no Hoare annotation was computed. [2019-10-07 15:20:42,557 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2019-10-07 15:20:42,557 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2019-10-07 15:20:42,557 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:42,557 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,558 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2019-10-07 15:20:42,558 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 765 772) no Hoare annotation was computed. [2019-10-07 15:20:42,558 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2019-10-07 15:20:42,558 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2019-10-07 15:20:42,558 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2019-10-07 15:20:42,558 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2019-10-07 15:20:42,558 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,559 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,559 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,559 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 705 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,559 INFO L439 ceAbstractionStarter]: At program point L719(lines 719 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,559 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 705 731) no Hoare annotation was computed. [2019-10-07 15:20:42,559 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point L712(lines 708 730) no Hoare annotation was computed. [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 705 731) no Hoare annotation was computed. [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point L710(lines 708 730) no Hoare annotation was computed. [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:20:42,560 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:20:42,560 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:20:42,561 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:20:42,561 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:20:42,561 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:20:42,561 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:20:42,561 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:20:42,561 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 649 657) no Hoare annotation was computed. [2019-10-07 15:20:42,562 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2019-10-07 15:20:42,562 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: true [2019-10-07 15:20:42,562 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2019-10-07 15:20:42,562 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:20:42,562 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:20:42,562 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,562 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:42,563 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:42,563 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:42,563 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2019-10-07 15:20:42,563 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: true [2019-10-07 15:20:42,563 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-10-07 15:20:42,563 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2019-10-07 15:20:42,563 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2019-10-07 15:20:42,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:42 BoogieIcfgContainer [2019-10-07 15:20:42,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:42,581 INFO L168 Benchmark]: Toolchain (without parser) took 4978.89 ms. Allocated memory was 139.5 MB in the beginning and 245.9 MB in the end (delta: 106.4 MB). Free memory was 103.0 MB in the beginning and 166.7 MB in the end (delta: -63.7 MB). Peak memory consumption was 122.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,582 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.22 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 102.8 MB in the beginning and 169.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,584 INFO L168 Benchmark]: Boogie Preprocessor took 118.99 ms. Allocated memory is still 201.3 MB. Free memory was 169.5 MB in the beginning and 165.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,585 INFO L168 Benchmark]: RCFGBuilder took 1723.35 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 165.2 MB in the beginning and 147.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,587 INFO L168 Benchmark]: TraceAbstraction took 2524.67 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 146.0 MB in the beginning and 166.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:42,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 607.22 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 102.8 MB in the beginning and 169.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.99 ms. Allocated memory is still 201.3 MB. Free memory was 169.5 MB in the beginning and 165.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1723.35 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 165.2 MB in the beginning and 147.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2524.67 ms. Allocated memory was 235.4 MB in the beginning and 245.9 MB in the end (delta: 10.5 MB). Free memory was 146.0 MB in the beginning and 166.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 867]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 174 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 363 SDtfs, 149 SDslu, 367 SDs, 0 SdLazy, 253 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...