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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:57,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:57,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:57,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:57,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:57,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:57,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:57,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:57,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:57,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:57,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:57,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:57,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:57,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:57,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:57,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:57,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:57,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:57,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:57,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:57,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:57,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:57,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:57,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:57,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:57,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:57,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:57,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:57,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:57,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:57,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:57,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:57,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:57,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:57,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:57,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:57,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:57,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:57,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:57,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:57,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:57,330 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 15:17:57,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:57,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:57,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:57,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:57,350 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:57,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:57,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:57,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:57,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:57,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:57,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:57,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:57,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:57,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:57,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:57,353 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:57,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:57,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:57,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:57,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:57,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:57,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:57,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:57,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:57,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:57,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:57,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:57,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:57,356 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 15:17:57,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:57,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:57,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:57,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:57,689 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:57,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2019-10-07 15:17:57,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb67c0cc/0204d41a037d4bb781b64568b8b3cadc/FLAGb4ff74a38 [2019-10-07 15:17:58,314 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:58,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2019-10-07 15:17:58,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb67c0cc/0204d41a037d4bb781b64568b8b3cadc/FLAGb4ff74a38 [2019-10-07 15:17:58,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb67c0cc/0204d41a037d4bb781b64568b8b3cadc [2019-10-07 15:17:58,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:58,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:58,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:58,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:58,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:58,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:58" (1/1) ... [2019-10-07 15:17:58,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:58, skipping insertion in model container [2019-10-07 15:17:58,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:58" (1/1) ... [2019-10-07 15:17:58,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:58,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:59,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:59,182 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:59,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:59,311 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:59,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59 WrapperNode [2019-10-07 15:17:59,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:59,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:59,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:59,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:59,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (1/1) ... [2019-10-07 15:17:59,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:59,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:59,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:59,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:59,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (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 15:17:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:01,215 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:01,216 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:01,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:01 BoogieIcfgContainer [2019-10-07 15:18:01,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:01,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:01,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:01,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:01,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:58" (1/3) ... [2019-10-07 15:18:01,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539dd5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:01, skipping insertion in model container [2019-10-07 15:18:01,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:59" (2/3) ... [2019-10-07 15:18:01,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539dd5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:01, skipping insertion in model container [2019-10-07 15:18:01,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:01" (3/3) ... [2019-10-07 15:18:01,226 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2019-10-07 15:18:01,236 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:01,245 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:01,254 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:01,278 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:01,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:01,279 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:01,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:01,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:01,279 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:01,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:01,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2019-10-07 15:18:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:18:01,313 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:01,314 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:01,316 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:01,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:01,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1593083825, now seen corresponding path program 1 times [2019-10-07 15:18:01,330 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:01,331 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:01,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:01,331 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:01,686 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:01,687 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:01,688 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:01,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:01,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:01,720 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2019-10-07 15:18:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:01,778 INFO L93 Difference]: Finished difference Result 266 states and 325 transitions. [2019-10-07 15:18:01,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:01,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:18:01,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:01,795 INFO L225 Difference]: With dead ends: 266 [2019-10-07 15:18:01,795 INFO L226 Difference]: Without dead ends: 135 [2019-10-07 15:18:01,802 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 15:18:01,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-07 15:18:01,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-07 15:18:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-07 15:18:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2019-10-07 15:18:01,860 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 46 [2019-10-07 15:18:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:01,860 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2019-10-07 15:18:01,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2019-10-07 15:18:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:01,865 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:01,865 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:01,866 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:01,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1738375675, now seen corresponding path program 1 times [2019-10-07 15:18:01,867 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:01,867 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:01,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:01,867 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:02,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:02,028 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:02,029 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:02,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:02,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:02,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:02,032 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 3 states. [2019-10-07 15:18:02,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:02,062 INFO L93 Difference]: Finished difference Result 220 states and 259 transitions. [2019-10-07 15:18:02,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:02,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:18:02,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:02,066 INFO L225 Difference]: With dead ends: 220 [2019-10-07 15:18:02,066 INFO L226 Difference]: Without dead ends: 127 [2019-10-07 15:18:02,070 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 15:18:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-07 15:18:02,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-07 15:18:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-07 15:18:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2019-10-07 15:18:02,094 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 47 [2019-10-07 15:18:02,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:02,094 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2019-10-07 15:18:02,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2019-10-07 15:18:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:18:02,097 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:02,097 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:02,098 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:02,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:02,098 INFO L82 PathProgramCache]: Analyzing trace with hash 750786169, now seen corresponding path program 1 times [2019-10-07 15:18:02,099 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:02,099 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:02,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:02,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:02,313 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:02,313 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:02,313 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:02,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:02,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:02,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:02,315 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 7 states. [2019-10-07 15:18:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:02,690 INFO L93 Difference]: Finished difference Result 229 states and 270 transitions. [2019-10-07 15:18:02,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:02,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:18:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:02,695 INFO L225 Difference]: With dead ends: 229 [2019-10-07 15:18:02,695 INFO L226 Difference]: Without dead ends: 127 [2019-10-07 15:18:02,700 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-07 15:18:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-07 15:18:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-07 15:18:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-10-07 15:18:02,734 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 50 [2019-10-07 15:18:02,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:02,734 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-10-07 15:18:02,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-10-07 15:18:02,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 15:18:02,742 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:02,743 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, 1, 1, 1, 1] [2019-10-07 15:18:02,743 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:02,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:02,743 INFO L82 PathProgramCache]: Analyzing trace with hash -825778894, now seen corresponding path program 1 times [2019-10-07 15:18:02,744 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:02,744 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:02,744 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:02,744 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:02,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:02,922 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 15:18:02,923 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:02,923 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:02,923 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:02,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:02,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:02,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:02,925 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2019-10-07 15:18:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:03,540 INFO L93 Difference]: Finished difference Result 333 states and 399 transitions. [2019-10-07 15:18:03,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:03,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-10-07 15:18:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:03,547 INFO L225 Difference]: With dead ends: 333 [2019-10-07 15:18:03,548 INFO L226 Difference]: Without dead ends: 231 [2019-10-07 15:18:03,549 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-07 15:18:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 214. [2019-10-07 15:18:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-10-07 15:18:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 239 transitions. [2019-10-07 15:18:03,602 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 239 transitions. Word has length 67 [2019-10-07 15:18:03,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:03,602 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 239 transitions. [2019-10-07 15:18:03,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 239 transitions. [2019-10-07 15:18:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 15:18:03,609 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:03,609 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:03,609 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:03,609 INFO L82 PathProgramCache]: Analyzing trace with hash -81895081, now seen corresponding path program 1 times [2019-10-07 15:18:03,610 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:03,610 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:03,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:03,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:03,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:03,774 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:03,774 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:03,774 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:03,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:03,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:03,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:03,777 INFO L87 Difference]: Start difference. First operand 214 states and 239 transitions. Second operand 6 states. [2019-10-07 15:18:04,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:04,002 INFO L93 Difference]: Finished difference Result 575 states and 658 transitions. [2019-10-07 15:18:04,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:18:04,003 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-07 15:18:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:04,008 INFO L225 Difference]: With dead ends: 575 [2019-10-07 15:18:04,008 INFO L226 Difference]: Without dead ends: 386 [2019-10-07 15:18:04,010 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-07 15:18:04,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 376. [2019-10-07 15:18:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-10-07 15:18:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 418 transitions. [2019-10-07 15:18:04,052 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 418 transitions. Word has length 77 [2019-10-07 15:18:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:04,053 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 418 transitions. [2019-10-07 15:18:04,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 418 transitions. [2019-10-07 15:18:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 15:18:04,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:04,055 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:04,055 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:04,056 INFO L82 PathProgramCache]: Analyzing trace with hash 57710646, now seen corresponding path program 1 times [2019-10-07 15:18:04,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:04,056 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:04,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:04,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:04,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:04,170 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:04,170 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:04,171 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:04,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:04,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:04,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:04,172 INFO L87 Difference]: Start difference. First operand 376 states and 418 transitions. Second operand 7 states. [2019-10-07 15:18:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:04,852 INFO L93 Difference]: Finished difference Result 591 states and 679 transitions. [2019-10-07 15:18:04,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:18:04,853 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2019-10-07 15:18:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:04,857 INFO L225 Difference]: With dead ends: 591 [2019-10-07 15:18:04,857 INFO L226 Difference]: Without dead ends: 402 [2019-10-07 15:18:04,858 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:04,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-07 15:18:04,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 375. [2019-10-07 15:18:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-07 15:18:04,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 415 transitions. [2019-10-07 15:18:04,897 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 415 transitions. Word has length 80 [2019-10-07 15:18:04,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:04,898 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 415 transitions. [2019-10-07 15:18:04,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 415 transitions. [2019-10-07 15:18:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-07 15:18:04,901 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:04,901 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, 1, 1, 1, 1, 1, 1, 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 15:18:04,902 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:04,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:04,902 INFO L82 PathProgramCache]: Analyzing trace with hash 260317718, now seen corresponding path program 1 times [2019-10-07 15:18:04,902 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:04,902 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:04,903 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:04,903 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:05,105 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:05,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:05,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:18:05,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:05,471 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 15:18:05,471 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:05,634 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 15:18:05,635 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:18:05,635 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:18:05,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:05,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:05,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:18:05,636 INFO L87 Difference]: Start difference. First operand 375 states and 415 transitions. Second operand 3 states. [2019-10-07 15:18:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:05,686 INFO L93 Difference]: Finished difference Result 539 states and 609 transitions. [2019-10-07 15:18:05,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:05,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-10-07 15:18:05,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:05,691 INFO L225 Difference]: With dead ends: 539 [2019-10-07 15:18:05,691 INFO L226 Difference]: Without dead ends: 536 [2019-10-07 15:18:05,692 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:18:05,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-10-07 15:18:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 529. [2019-10-07 15:18:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-07 15:18:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 597 transitions. [2019-10-07 15:18:05,733 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 597 transitions. Word has length 93 [2019-10-07 15:18:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:05,734 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 597 transitions. [2019-10-07 15:18:05,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 597 transitions. [2019-10-07 15:18:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 15:18:05,738 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:05,738 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:18:05,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:05,950 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:05,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:05,950 INFO L82 PathProgramCache]: Analyzing trace with hash -136297198, now seen corresponding path program 1 times [2019-10-07 15:18:05,950 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:05,950 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:05,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:05,951 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:18:06,208 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:06,209 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:06,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:06,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:18:06,649 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:18:07,591 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:07,592 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:18:07,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:07,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:07,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:07,593 INFO L87 Difference]: Start difference. First operand 529 states and 597 transitions. Second operand 11 states. [2019-10-07 15:18:08,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:08,526 INFO L93 Difference]: Finished difference Result 1157 states and 1346 transitions. [2019-10-07 15:18:08,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:08,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2019-10-07 15:18:08,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:08,533 INFO L225 Difference]: With dead ends: 1157 [2019-10-07 15:18:08,533 INFO L226 Difference]: Without dead ends: 653 [2019-10-07 15:18:08,536 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:18:08,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-10-07 15:18:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 642. [2019-10-07 15:18:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2019-10-07 15:18:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 721 transitions. [2019-10-07 15:18:08,593 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 721 transitions. Word has length 159 [2019-10-07 15:18:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:08,594 INFO L462 AbstractCegarLoop]: Abstraction has 642 states and 721 transitions. [2019-10-07 15:18:08,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 721 transitions. [2019-10-07 15:18:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-07 15:18:08,599 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:08,600 INFO L385 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2019-10-07 15:18:08,805 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:08,806 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:08,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:08,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1292670055, now seen corresponding path program 1 times [2019-10-07 15:18:08,807 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:08,807 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:08,807 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:08,807 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:08,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-10-07 15:18:09,193 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:09,194 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:09,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:09,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 15:18:09,660 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-07 15:18:10,558 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:10,558 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 32 [2019-10-07 15:18:10,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:10,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:10,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=885, Unknown=0, NotChecked=0, Total=992 [2019-10-07 15:18:10,560 INFO L87 Difference]: Start difference. First operand 642 states and 721 transitions. Second operand 11 states. [2019-10-07 15:18:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:11,371 INFO L93 Difference]: Finished difference Result 1334 states and 1524 transitions. [2019-10-07 15:18:11,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:18:11,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2019-10-07 15:18:11,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:11,373 INFO L225 Difference]: With dead ends: 1334 [2019-10-07 15:18:11,373 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:11,379 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2019-10-07 15:18:11,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:11,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:11,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2019-10-07 15:18:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:11,381 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:11,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:11,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:11,596 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:11,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:13,964 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 17 [2019-10-07 15:18:14,334 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:18:14,335 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:18:14,336 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2019-10-07 15:18:14,336 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2019-10-07 15:18:14,337 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2019-10-07 15:18:14,337 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2019-10-07 15:18:14,337 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,337 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-07 15:18:14,337 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:18:14,337 INFO L439 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-10-07 15:18:14,337 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-07 15:18:14,338 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-07 15:18:14,338 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-07 15:18:14,338 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,338 INFO L439 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,341 INFO L439 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-07 15:18:14,341 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-07 15:18:14,342 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-07 15:18:14,343 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-07 15:18:14,343 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-07 15:18:14,343 INFO L439 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,343 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2019-10-07 15:18:14,343 INFO L439 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,343 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,343 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,344 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2019-10-07 15:18:14,344 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2019-10-07 15:18:14,344 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,344 INFO L443 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2019-10-07 15:18:14,344 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2019-10-07 15:18:14,344 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-07 15:18:14,344 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2019-10-07 15:18:14,344 INFO L446 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2019-10-07 15:18:14,345 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 940 975) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 940 975) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2019-10-07 15:18:14,345 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2019-10-07 15:18:14,345 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:18:14,346 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:18:14,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:18:14,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:18:14,346 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,346 INFO L439 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,346 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-07 15:18:14,346 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-07 15:18:14,347 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2019-10-07 15:18:14,347 INFO L446 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2019-10-07 15:18:14,347 INFO L443 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2019-10-07 15:18:14,347 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2019-10-07 15:18:14,347 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0)) (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:14,348 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2019-10-07 15:18:14,348 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2019-10-07 15:18:14,348 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2019-10-07 15:18:14,348 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2019-10-07 15:18:14,348 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:14,348 INFO L439 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,348 INFO L443 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2019-10-07 15:18:14,349 INFO L439 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:18:14,349 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:14,349 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2019-10-07 15:18:14,349 INFO L439 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-10-07 15:18:14,349 INFO L443 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-10-07 15:18:14,349 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2019-10-07 15:18:14,349 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2019-10-07 15:18:14,349 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2019-10-07 15:18:14,350 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,350 INFO L439 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,350 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2019-10-07 15:18:14,350 INFO L439 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,350 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-10-07 15:18:14,350 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,350 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-10-07 15:18:14,351 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,351 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-10-07 15:18:14,351 INFO L443 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-10-07 15:18:14,351 INFO L439 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:14,351 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:14,351 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-07 15:18:14,351 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-07 15:18:14,351 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-10-07 15:18:14,352 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-10-07 15:18:14,353 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:18:14,353 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-10-07 15:18:14,353 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-10-07 15:18:14,353 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2019-10-07 15:18:14,353 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,353 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-10-07 15:18:14,353 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,353 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L439 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:18:14,354 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:14,354 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:18:14,355 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 671 680) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 671 680) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2019-10-07 15:18:14,356 INFO L439 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 activatePump_~tmp~9) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:14,356 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2019-10-07 15:18:14,357 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:14,357 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-07 15:18:14,357 INFO L439 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:14,358 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-07 15:18:14,358 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 637 645) no Hoare annotation was computed. [2019-10-07 15:18:14,358 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2019-10-07 15:18:14,358 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2019-10-07 15:18:14,358 INFO L446 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2019-10-07 15:18:14,358 INFO L443 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-10-07 15:18:14,358 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2019-10-07 15:18:14,359 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:14,359 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:14,359 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (or (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:14,359 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2019-10-07 15:18:14,359 INFO L439 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:18:14,359 INFO L439 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (= ~pumpRunning~0 0) .cse1))) [2019-10-07 15:18:14,359 INFO L439 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:18:14,360 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2019-10-07 15:18:14,360 INFO L443 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2019-10-07 15:18:14,360 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2019-10-07 15:18:14,360 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2019-10-07 15:18:14,360 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-07 15:18:14,360 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-07 15:18:14,360 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-07 15:18:14,360 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-07 15:18:14,361 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-07 15:18:14,361 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-07 15:18:14,361 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-07 15:18:14,361 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-07 15:18:14,361 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-07 15:18:14,361 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2019-10-07 15:18:14,361 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2019-10-07 15:18:14,361 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: true [2019-10-07 15:18:14,362 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2019-10-07 15:18:14,362 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-07 15:18:14,362 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-07 15:18:14,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:14,363 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:18:14,363 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:14,363 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:14,363 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2019-10-07 15:18:14,363 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (or (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:18:14,363 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,364 INFO L439 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:18:14,364 INFO L443 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2019-10-07 15:18:14,365 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2019-10-07 15:18:14,365 INFO L439 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,365 INFO L439 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,365 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2019-10-07 15:18:14,365 INFO L439 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2019-10-07 15:18:14,365 INFO L443 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2019-10-07 15:18:14,366 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2019-10-07 15:18:14,366 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2019-10-07 15:18:14,366 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: true [2019-10-07 15:18:14,367 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-10-07 15:18:14,368 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2019-10-07 15:18:14,368 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2019-10-07 15:18:14,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:14 BoogieIcfgContainer [2019-10-07 15:18:14,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:14,402 INFO L168 Benchmark]: Toolchain (without parser) took 15772.92 ms. Allocated memory was 137.4 MB in the beginning and 458.8 MB in the end (delta: 321.4 MB). Free memory was 101.1 MB in the beginning and 382.3 MB in the end (delta: -281.1 MB). Peak memory consumption was 338.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,404 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.26 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 166.6 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,412 INFO L168 Benchmark]: Boogie Preprocessor took 105.77 ms. Allocated memory is still 201.3 MB. Free memory was 166.6 MB in the beginning and 162.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,414 INFO L168 Benchmark]: RCFGBuilder took 1798.25 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.5 MB in the beginning and 137.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,415 INFO L168 Benchmark]: TraceAbstraction took 13178.16 ms. Allocated memory was 232.8 MB in the beginning and 458.8 MB in the end (delta: 226.0 MB). Free memory was 137.7 MB in the beginning and 382.3 MB in the end (delta: -244.6 MB). Peak memory consumption was 280.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:14,422 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.26 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 166.6 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.77 ms. Allocated memory is still 201.3 MB. Free memory was 166.6 MB in the beginning and 162.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1798.25 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.5 MB in the beginning and 137.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13178.16 ms. Allocated memory was 232.8 MB in the beginning and 458.8 MB in the end (delta: 226.0 MB). Free memory was 137.7 MB in the beginning and 382.3 MB in the end (delta: -244.6 MB). Peak memory consumption was 280.0 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 13.0s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1411 SDtfs, 843 SDslu, 2956 SDs, 0 SdLazy, 2112 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1072 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=642occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 72 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1381 PreInvPairs, 1445 NumberOfFragments, 1274 HoareAnnotationTreeSize, 1381 FomulaSimplifications, 2027 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 3468 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1765 ConstructedInterpolants, 0 QuantifiedInterpolants, 418460 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2895 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 571/626 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...