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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:39:20,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:39:20,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:39:20,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:39:20,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:39:20,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:39:20,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:39:20,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:39:20,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:39:20,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:39:20,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:39:20,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:39:20,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:39:20,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:39:20,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:39:20,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:39:20,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:39:20,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:39:20,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:39:20,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:39:20,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:39:20,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:39:20,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:39:20,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:39:20,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:39:20,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:39:20,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:39:20,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:39:20,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:39:20,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:39:20,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:39:20,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:39:20,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:39:20,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:39:20,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:39:20,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:39:20,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:39:20,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:39:20,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:39:20,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:39:20,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:39:20,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:39:20,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:39:20,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:39:20,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:39:20,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:39:20,433 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:39:20,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:39:20,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:39:20,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:39:20,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:39:20,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:39:20,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:39:20,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:39:20,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:39:20,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:39:20,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:39:20,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:39:20,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:39:20,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:39:20,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:39:20,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:39:20,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:39:20,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:20,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:39:20,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:39:20,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:39:20,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:39:20,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:39:20,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:39:20,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:39:20,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:39:20,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:39:20,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:39:20,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:39:20,733 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:39:20,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-13 19:39:20,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4f7c34b/6bdfabd3168544e484d819a2de598e14/FLAGdceecd8e9 [2019-10-13 19:39:21,324 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:39:21,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-13 19:39:21,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4f7c34b/6bdfabd3168544e484d819a2de598e14/FLAGdceecd8e9 [2019-10-13 19:39:21,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af4f7c34b/6bdfabd3168544e484d819a2de598e14 [2019-10-13 19:39:21,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:39:21,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:39:21,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:21,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:39:21,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:39:21,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:21" (1/1) ... [2019-10-13 19:39:21,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709edc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21, skipping insertion in model container [2019-10-13 19:39:21,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:21" (1/1) ... [2019-10-13 19:39:21,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:39:21,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:39:22,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:22,182 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:39:22,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:39:22,307 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:39:22,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22 WrapperNode [2019-10-13 19:39:22,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:39:22,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:39:22,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:39:22,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:39:22,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... [2019-10-13 19:39:22,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:39:22,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:39:22,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:39:22,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:39:22,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:39:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:39:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:39:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:39:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:39:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:39:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:39:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:39:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:39:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:39:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:39:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:39:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:39:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:39:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:39:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:39:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:39:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:39:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:39:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:39:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:39:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:39:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:39:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:39:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:39:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:39:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:39:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:39:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:39:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:39:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:39:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:39:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:39:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 19:39:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:39:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:39:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:39:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 19:39:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 19:39:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:39:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:39:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:39:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:39:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:39:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:39:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:39:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:39:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:39:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:39:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:39:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:39:23,592 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:39:23,592 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:39:23,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:23 BoogieIcfgContainer [2019-10-13 19:39:23,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:39:23,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:39:23,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:39:23,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:39:23,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:21" (1/3) ... [2019-10-13 19:39:23,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592a6b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:23, skipping insertion in model container [2019-10-13 19:39:23,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22" (2/3) ... [2019-10-13 19:39:23,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592a6b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:23, skipping insertion in model container [2019-10-13 19:39:23,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:23" (3/3) ... [2019-10-13 19:39:23,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-10-13 19:39:23,614 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:39:23,624 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:39:23,636 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:39:23,669 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:39:23,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:39:23,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:39:23,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:39:23,670 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:39:23,670 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:39:23,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:39:23,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:39:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-13 19:39:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:39:23,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:23,708 INFO L380 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] [2019-10-13 19:39:23,710 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2019-10-13 19:39:23,725 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:23,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651668869] [2019-10-13 19:39:23,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:23,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:23,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,411 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:24,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651668869] [2019-10-13 19:39:24,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:24,477 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:39:24,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058973799] [2019-10-13 19:39:24,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:39:24,482 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:24,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:39:24,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:24,501 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2019-10-13 19:39:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:25,596 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2019-10-13 19:39:25,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:39:25,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:39:25,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:25,626 INFO L225 Difference]: With dead ends: 270 [2019-10-13 19:39:25,626 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 19:39:25,638 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:39:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 19:39:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2019-10-13 19:39:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 19:39:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-13 19:39:25,736 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-10-13 19:39:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:25,737 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-13 19:39:25,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:39:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-13 19:39:25,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:39:25,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:25,746 INFO L380 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] [2019-10-13 19:39:25,746 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:25,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:25,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2019-10-13 19:39:25,747 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:25,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677589803] [2019-10-13 19:39:25,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:25,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:25,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,130 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:26,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677589803] [2019-10-13 19:39:26,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:26,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:39:26,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378835125] [2019-10-13 19:39:26,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:39:26,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:26,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:39:26,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:39:26,199 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2019-10-13 19:39:26,691 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:27,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:27,447 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2019-10-13 19:39:27,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:39:27,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:39:27,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:27,450 INFO L225 Difference]: With dead ends: 193 [2019-10-13 19:39:27,451 INFO L226 Difference]: Without dead ends: 131 [2019-10-13 19:39:27,452 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:39:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-13 19:39:27,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2019-10-13 19:39:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-13 19:39:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-13 19:39:27,516 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-10-13 19:39:27,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:27,517 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-13 19:39:27,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:39:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-13 19:39:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:39:27,519 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:27,519 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:27,520 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:27,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:27,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2019-10-13 19:39:27,520 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:27,521 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507614529] [2019-10-13 19:39:27,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:27,521 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:27,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,890 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:27,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507614529] [2019-10-13 19:39:27,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:27,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:39:27,974 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758277506] [2019-10-13 19:39:27,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:39:27,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:27,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:39:27,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:39:27,976 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2019-10-13 19:39:28,441 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:28,807 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:29,084 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:29,348 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:30,252 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:31,812 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2019-10-13 19:39:31,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:31,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:39:31,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:31,817 INFO L225 Difference]: With dead ends: 366 [2019-10-13 19:39:31,817 INFO L226 Difference]: Without dead ends: 285 [2019-10-13 19:39:31,819 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:31,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-13 19:39:31,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2019-10-13 19:39:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-13 19:39:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-10-13 19:39:31,885 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-10-13 19:39:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:31,885 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-10-13 19:39:31,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-10-13 19:39:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:31,888 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:31,888 INFO L380 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] [2019-10-13 19:39:31,888 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:31,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:31,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2019-10-13 19:39:31,889 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:31,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489587220] [2019-10-13 19:39:31,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:31,889 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:31,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,211 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:32,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489587220] [2019-10-13 19:39:32,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:32,330 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:32,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703579295] [2019-10-13 19:39:32,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:32,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:32,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:32,333 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2019-10-13 19:39:32,889 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:33,244 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:33,510 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:33,783 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:34,359 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:35,219 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:35,599 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:35,946 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:36,238 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:36,501 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:36,838 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:37,171 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:37,511 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:38,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:38,666 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2019-10-13 19:39:38,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:38,667 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:38,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:38,675 INFO L225 Difference]: With dead ends: 891 [2019-10-13 19:39:38,676 INFO L226 Difference]: Without dead ends: 691 [2019-10-13 19:39:38,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-13 19:39:38,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2019-10-13 19:39:38,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-13 19:39:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2019-10-13 19:39:38,821 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2019-10-13 19:39:38,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:38,822 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2019-10-13 19:39:38,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2019-10-13 19:39:38,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:38,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:38,825 INFO L380 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] [2019-10-13 19:39:38,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:38,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:38,826 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2019-10-13 19:39:38,826 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:38,827 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152099539] [2019-10-13 19:39:38,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:38,827 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:38,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,152 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:39,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152099539] [2019-10-13 19:39:39,253 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:39,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:39,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915641825] [2019-10-13 19:39:39,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:39,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:39,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:39,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:39,255 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2019-10-13 19:39:39,652 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:40,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:40,532 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2019-10-13 19:39:40,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:40,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:40,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:40,537 INFO L225 Difference]: With dead ends: 1039 [2019-10-13 19:39:40,537 INFO L226 Difference]: Without dead ends: 469 [2019-10-13 19:39:40,541 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:39:40,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-13 19:39:40,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2019-10-13 19:39:40,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-13 19:39:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2019-10-13 19:39:40,617 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2019-10-13 19:39:40,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:40,618 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2019-10-13 19:39:40,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:40,618 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2019-10-13 19:39:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 19:39:40,621 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:40,621 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 19:39:40,621 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:40,622 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2019-10-13 19:39:40,622 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:40,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719188960] [2019-10-13 19:39:40,622 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:40,623 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:40,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,964 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:39:41,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719188960] [2019-10-13 19:39:41,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282729011] [2019-10-13 19:39:41,091 INFO L94 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 [2019-10-13 19:39:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:41,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:41,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:41,461 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:41,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:41,462 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264830128] [2019-10-13 19:39:41,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:41,463 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:41,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:41,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:41,464 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 15 states. [2019-10-13 19:39:42,176 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:42,996 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:44,266 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2019-10-13 19:39:44,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:44,266 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-13 19:39:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:44,267 INFO L225 Difference]: With dead ends: 565 [2019-10-13 19:39:44,267 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:44,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:44,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:44,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:44,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:44,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 19:39:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:44,270 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:44,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:44,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:44,473 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:44,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:44,716 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-13 19:39:44,994 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-13 19:39:45,154 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 212 [2019-10-13 19:39:45,942 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 205 [2019-10-13 19:39:47,587 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:47,748 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:48,001 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:48,384 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:48,503 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2019-10-13 19:39:48,668 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:49,123 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-13 19:39:49,363 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:49,870 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:50,026 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:50,490 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:51,072 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:51,251 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:51,754 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:51,993 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:52,170 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:52,330 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:52,518 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:52,987 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:53,149 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:53,720 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:53,874 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:54,398 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:54,402 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 19:39:54,402 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-13 19:39:54,402 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-13 19:39:54,402 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 19:39:54,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-13 19:39:54,404 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 19:39:54,405 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2019-10-13 19:39:54,405 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2019-10-13 19:39:54,405 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2019-10-13 19:39:54,405 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2019-10-13 19:39:54,405 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2019-10-13 19:39:54,405 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-10-13 19:39:54,405 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-10-13 19:39:54,406 INFO L439 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,406 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-13 19:39:54,406 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,406 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-13 19:39:54,406 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-13 19:39:54,406 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-10-13 19:39:54,406 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-13 19:39:54,407 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-13 19:39:54,407 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,407 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:54,407 INFO L439 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:54,407 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-10-13 19:39:54,407 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2019-10-13 19:39:54,408 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2019-10-13 19:39:54,408 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-13 19:39:54,408 INFO L439 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,408 INFO L439 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,408 INFO L439 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 19:39:54,409 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-13 19:39:54,410 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 19:39:54,411 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 19:39:54,411 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 19:39:54,411 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-13 19:39:54,411 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:54,411 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-13 19:39:54,411 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (or .cse1 (not (= ~waterLevel~0 1))) .cse0))) [2019-10-13 19:39:54,412 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-10-13 19:39:54,412 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-13 19:39:54,412 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-13 19:39:54,412 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-10-13 19:39:54,412 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-13 19:39:54,412 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-13 19:39:54,412 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-10-13 19:39:54,413 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2019-10-13 19:39:54,414 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2019-10-13 19:39:54,414 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-13 19:39:54,415 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-13 19:39:54,416 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-10-13 19:39:54,417 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-13 19:39:54,417 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-13 19:39:54,417 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-10-13 19:39:54,417 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:54,417 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2019-10-13 19:39:54,417 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,418 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,418 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2019-10-13 19:39:54,418 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-10-13 19:39:54,418 INFO L439 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,418 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:54,418 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-13 19:39:54,418 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-10-13 19:39:54,418 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2019-10-13 19:39:54,419 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2019-10-13 19:39:54,419 INFO L439 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:54,419 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:54,419 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:54,419 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-13 19:39:54,419 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2019-10-13 19:39:54,420 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2019-10-13 19:39:54,420 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-10-13 19:39:54,420 INFO L439 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:54,420 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:54,420 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-10-13 19:39:54,420 INFO L439 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:54,420 INFO L443 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-10-13 19:39:54,421 INFO L439 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:54,421 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-10-13 19:39:54,421 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:54,421 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-13 19:39:54,421 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2019-10-13 19:39:54,421 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2019-10-13 19:39:54,421 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2019-10-13 19:39:54,422 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 749) no Hoare annotation was computed. [2019-10-13 19:39:54,423 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-13 19:39:54,424 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-13 19:39:54,425 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,426 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 573) no Hoare annotation was computed. [2019-10-13 19:39:54,427 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,428 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:54,429 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2019-10-13 19:39:54,429 INFO L439 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:54,430 INFO L439 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:54,430 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:54,430 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2019-10-13 19:39:54,430 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:54,430 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2019-10-13 19:39:54,431 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2019-10-13 19:39:54,431 INFO L446 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2019-10-13 19:39:54,431 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2019-10-13 19:39:54,431 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-13 19:39:54,431 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2019-10-13 19:39:54,431 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-10-13 19:39:54,431 INFO L446 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2019-10-13 19:39:54,432 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 19:39:54,432 INFO L446 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2019-10-13 19:39:54,432 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-13 19:39:54,432 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-13 19:39:54,432 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2019-10-13 19:39:54,432 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2019-10-13 19:39:54,432 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2019-10-13 19:39:54,432 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2019-10-13 19:39:54,433 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2019-10-13 19:39:54,433 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,433 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:54,433 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:54,433 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:54,433 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-13 19:39:54,433 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 |old(~systemActive~0)|))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2019-10-13 19:39:54,434 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 19:39:54,434 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 19:39:54,434 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 19:39:54,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:54 BoogieIcfgContainer [2019-10-13 19:39:54,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:54,450 INFO L168 Benchmark]: Toolchain (without parser) took 32820.61 ms. Allocated memory was 142.1 MB in the beginning and 680.0 MB in the end (delta: 537.9 MB). Free memory was 99.0 MB in the beginning and 556.3 MB in the end (delta: -457.4 MB). Peak memory consumption was 540.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,451 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.71 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 98.7 MB in the beginning and 167.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,452 INFO L168 Benchmark]: Boogie Preprocessor took 112.14 ms. Allocated memory is still 199.8 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,453 INFO L168 Benchmark]: RCFGBuilder took 1173.21 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 193.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,454 INFO L168 Benchmark]: TraceAbstraction took 30852.71 ms. Allocated memory was 227.0 MB in the beginning and 680.0 MB in the end (delta: 453.0 MB). Free memory was 193.7 MB in the beginning and 556.3 MB in the end (delta: -362.7 MB). Peak memory consumption was 550.7 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:54,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.71 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 98.7 MB in the beginning and 167.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.14 ms. Allocated memory is still 199.8 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.21 ms. Allocated memory was 199.8 MB in the beginning and 227.0 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 193.7 MB in the end (delta: -30.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30852.71 ms. Allocated memory was 227.0 MB in the beginning and 680.0 MB in the end (delta: 453.0 MB). Free memory was 193.7 MB in the beginning and 556.3 MB in the end (delta: -362.7 MB). Peak memory consumption was 550.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 30.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, HoareTripleCheckerStatistics: 606 SDtfs, 1301 SDslu, 695 SDs, 0 SdLazy, 3302 SolverSat, 926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1050 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173073 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 18033 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 127166 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 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...