/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:08:02,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:08:02,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:08:02,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:08:02,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:08:02,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:08:02,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:08:02,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:08:02,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:08:02,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:08:02,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:08:02,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:08:02,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:08:02,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:08:02,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:08:02,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:08:02,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:08:02,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:08:02,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:08:02,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:08:02,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:08:02,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:08:02,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:08:02,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:08:02,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:08:02,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:08:02,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:08:02,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:08:02,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:08:02,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:08:02,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:08:02,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:08:02,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:08:02,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:08:02,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:08:02,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:08:02,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:08:02,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:08:02,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:08:02,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:08:02,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:08:02,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 16:08:02,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:08:02,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:08:02,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:08:02,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:08:02,525 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:08:02,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:08:02,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:08:02,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:08:02,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:08:02,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:08:02,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:08:02,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:08:02,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:08:02,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:08:02,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:08:02,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:08:02,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:08:02,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:08:02,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:08:02,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:08:02,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:08:02,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:08:02,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:08:02,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:08:02,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:08:02,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:08:02,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:08:02,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:08:02,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:08:02,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true [2020-08-18 16:08:02,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:08:02,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:08:02,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:08:02,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:08:02,862 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:08:02,863 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-08-18 16:08:02,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f33388a5/965df174ce3745d8b8f114554301d215/FLAGa91ccfa9b [2020-08-18 16:08:03,436 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:08:03,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-08-18 16:08:03,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f33388a5/965df174ce3745d8b8f114554301d215/FLAGa91ccfa9b [2020-08-18 16:08:03,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5f33388a5/965df174ce3745d8b8f114554301d215 [2020-08-18 16:08:03,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:08:03,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:08:03,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:08:03,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:08:03,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:08:03,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:08:03" (1/1) ... [2020-08-18 16:08:03,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:03, skipping insertion in model container [2020-08-18 16:08:03,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:08:03" (1/1) ... [2020-08-18 16:08:03,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:08:03,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:08:04,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:08:04,237 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:08:04,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:08:04,400 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:08:04,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04 WrapperNode [2020-08-18 16:08:04,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:08:04,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:08:04,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:08:04,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:08:04,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... [2020-08-18 16:08:04,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:08:04,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:08:04,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:08:04,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:08:04,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 16:08:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:08:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:08:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:08:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:08:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:08:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:08:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:08:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:08:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:08:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:08:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:08:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:08:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:08:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:08:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:08:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:08:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:08:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:08:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:08:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:08:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:08:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:08:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:08:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 16:08:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 16:08:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 16:08:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:08:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:08:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:08:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:08:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:08:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:08:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:08:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:08:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:08:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:08:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:08:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:08:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:08:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:08:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:08:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:08:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:08:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:08:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:08:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:08:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:08:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:08:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 16:08:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:08:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:08:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:08:05,560 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:08:05,560 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:08:05,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:08:05 BoogieIcfgContainer [2020-08-18 16:08:05,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:08:05,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:08:05,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:08:05,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:08:05,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:08:03" (1/3) ... [2020-08-18 16:08:05,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618d211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:08:05, skipping insertion in model container [2020-08-18 16:08:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:08:04" (2/3) ... [2020-08-18 16:08:05,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618d211e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:08:05, skipping insertion in model container [2020-08-18 16:08:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:08:05" (3/3) ... [2020-08-18 16:08:05,574 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-08-18 16:08:05,585 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:08:05,594 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:08:05,607 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:08:05,632 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:08:05,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:08:05,632 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:08:05,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:08:05,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:08:05,633 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:08:05,633 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:08:05,633 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:08:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-18 16:08:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:08:05,665 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:05,666 INFO L422 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] [2020-08-18 16:08:05,667 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:05,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:05,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1532249009, now seen corresponding path program 1 times [2020-08-18 16:08:05,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:05,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871593888] [2020-08-18 16:08:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,394 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:08:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:08:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:06,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871593888] [2020-08-18 16:08:06,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:06,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:08:06,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270482987] [2020-08-18 16:08:06,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:08:06,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:06,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:08:06,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:08:06,532 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2020-08-18 16:08:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:07,631 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-08-18 16:08:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:08:07,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:08:07,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:07,647 INFO L225 Difference]: With dead ends: 266 [2020-08-18 16:08:07,647 INFO L226 Difference]: Without dead ends: 145 [2020-08-18 16:08:07,652 INFO L675 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 [2020-08-18 16:08:07,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-18 16:08:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-08-18 16:08:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-08-18 16:08:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-08-18 16:08:07,736 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-08-18 16:08:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:07,737 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-08-18 16:08:07,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:08:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-08-18 16:08:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:08:07,741 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:07,741 INFO L422 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] [2020-08-18 16:08:07,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:08:07,742 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:07,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:07,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1264772962, now seen corresponding path program 1 times [2020-08-18 16:08:07,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:07,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709203169] [2020-08-18 16:08:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,064 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:08,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:08:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:08:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:08,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709203169] [2020-08-18 16:08:08,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:08,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:08:08,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437306804] [2020-08-18 16:08:08,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:08:08,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:08,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:08:08,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:08:08,146 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-08-18 16:08:08,591 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:08:09,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:09,291 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-08-18 16:08:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:08:09,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:08:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:09,296 INFO L225 Difference]: With dead ends: 189 [2020-08-18 16:08:09,296 INFO L226 Difference]: Without dead ends: 129 [2020-08-18 16:08:09,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 16:08:09,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-18 16:08:09,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-08-18 16:08:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-08-18 16:08:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-08-18 16:08:09,333 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-08-18 16:08:09,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:09,334 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-08-18 16:08:09,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:08:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-08-18 16:08:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 16:08:09,336 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:09,336 INFO L422 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] [2020-08-18 16:08:09,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:08:09,337 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:09,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1057002583, now seen corresponding path program 1 times [2020-08-18 16:08:09,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:09,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064528600] [2020-08-18 16:08:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,655 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:09,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:08:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:08:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:09,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064528600] [2020-08-18 16:08:09,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:09,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:08:09,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221943781] [2020-08-18 16:08:09,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:08:09,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:09,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:08:09,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:08:09,810 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2020-08-18 16:08:10,230 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:10,549 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:10,798 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:11,066 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:11,810 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:08:13,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:13,299 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2020-08-18 16:08:13,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:08:13,303 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 16:08:13,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:13,307 INFO L225 Difference]: With dead ends: 360 [2020-08-18 16:08:13,307 INFO L226 Difference]: Without dead ends: 281 [2020-08-18 16:08:13,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:08:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-08-18 16:08:13,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2020-08-18 16:08:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 16:08:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2020-08-18 16:08:13,382 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2020-08-18 16:08:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:13,382 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2020-08-18 16:08:13,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:08:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2020-08-18 16:08:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 16:08:13,385 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:13,385 INFO L422 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] [2020-08-18 16:08:13,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:08:13,386 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:13,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:13,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1843591259, now seen corresponding path program 1 times [2020-08-18 16:08:13,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:13,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753112632] [2020-08-18 16:08:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,701 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:13,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:08:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:08:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 16:08:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:13,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753112632] [2020-08-18 16:08:13,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:13,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 16:08:13,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261578492] [2020-08-18 16:08:13,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 16:08:13,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:13,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 16:08:13,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 16:08:13,828 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2020-08-18 16:08:14,230 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:14,577 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:14,842 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:15,093 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:15,640 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:08:16,447 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:16,797 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:17,096 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:17,374 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 16:08:17,617 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:17,925 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:18,228 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 16:08:18,555 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:08:19,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:19,522 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2020-08-18 16:08:19,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 16:08:19,522 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-18 16:08:19,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:19,532 INFO L225 Difference]: With dead ends: 875 [2020-08-18 16:08:19,532 INFO L226 Difference]: Without dead ends: 679 [2020-08-18 16:08:19,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 16:08:19,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2020-08-18 16:08:19,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2020-08-18 16:08:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-08-18 16:08:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2020-08-18 16:08:19,681 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2020-08-18 16:08:19,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:19,682 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2020-08-18 16:08:19,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 16:08:19,682 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2020-08-18 16:08:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 16:08:19,685 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:19,685 INFO L422 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] [2020-08-18 16:08:19,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:08:19,686 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:19,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:19,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1600095125, now seen corresponding path program 1 times [2020-08-18 16:08:19,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:19,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919592969] [2020-08-18 16:08:19,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:19,992 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:19,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:08:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 16:08:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 16:08:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 16:08:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 16:08:20,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919592969] [2020-08-18 16:08:20,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:08:20,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 16:08:20,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696577440] [2020-08-18 16:08:20,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 16:08:20,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:20,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 16:08:20,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 16:08:20,081 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2020-08-18 16:08:20,393 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:21,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:21,217 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2020-08-18 16:08:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 16:08:21,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-18 16:08:21,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:21,225 INFO L225 Difference]: With dead ends: 1027 [2020-08-18 16:08:21,225 INFO L226 Difference]: Without dead ends: 469 [2020-08-18 16:08:21,229 INFO L675 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 [2020-08-18 16:08:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-08-18 16:08:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-08-18 16:08:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-18 16:08:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-08-18 16:08:21,317 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-08-18 16:08:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:21,318 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-08-18 16:08:21,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 16:08:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-08-18 16:08:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-18 16:08:21,321 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:08:21,322 INFO L422 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] [2020-08-18 16:08:21,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:08:21,322 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:08:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:08:21,323 INFO L82 PathProgramCache]: Analyzing trace with hash -2108479595, now seen corresponding path program 1 times [2020-08-18 16:08:21,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:08:21,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184171705] [2020-08-18 16:08:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:08:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,658 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:08:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:08:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:08:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:08:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:08:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 16:08:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:08:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 16:08:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 16:08:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 16:08:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 16:08:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-18 16:08:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 16:08:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:08:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 16:08:21,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184171705] [2020-08-18 16:08:21,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 16:08:21,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 16:08:21,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186558789] [2020-08-18 16:08:21,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 16:08:21,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:08:21,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 16:08:21,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-18 16:08:21,829 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 10 states. [2020-08-18 16:08:22,428 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 16:08:22,997 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:08:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:08:23,881 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-08-18 16:08:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 16:08:23,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-18 16:08:23,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:08:23,882 INFO L225 Difference]: With dead ends: 565 [2020-08-18 16:08:23,882 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:08:23,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-18 16:08:23,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:08:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:08:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:08:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:08:23,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-18 16:08:23,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:08:23,885 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:08:23,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 16:08:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:08:23,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:08:23,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 16:08:23,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:08:24,269 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 21 [2020-08-18 16:08:24,600 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 25 [2020-08-18 16:08:27,986 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 16:08:28,437 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:28,827 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 16:08:29,242 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 16:08:29,964 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 16:08:30,531 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-18 16:08:30,769 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 16:08:31,230 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-18 16:08:31,436 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:08:32,137 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-08-18 16:08:32,299 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 16:08:32,413 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-18 16:08:33,010 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 16:08:33,475 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:34,080 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-08-18 16:08:34,244 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 16:08:34,808 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:35,285 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-18 16:08:35,680 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:36,092 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:36,220 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 16:08:36,592 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 16:08:37,221 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-18 16:08:37,226 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-08-18 16:08:37,226 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-08-18 16:08:37,226 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 16:08:37,226 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-18 16:08:37,227 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-08-18 16:08:37,228 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-08-18 16:08:37,228 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-18 16:08:37,228 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-08-18 16:08:37,228 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-08-18 16:08:37,228 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-08-18 16:08:37,229 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-08-18 16:08:37,229 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-18 16:08:37,229 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-08-18 16:08:37,229 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 16:08:37,230 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 16:08:37,230 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 16:08:37,230 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 16:08:37,230 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 16:08:37,230 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 16:08:37,230 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2020-08-18 16:08:37,230 INFO L268 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2020-08-18 16:08:37,231 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 16:08:37,231 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-08-18 16:08:37,231 INFO L268 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2020-08-18 16:08:37,231 INFO L268 CegarLoopResult]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2020-08-18 16:08:37,231 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-08-18 16:08:37,231 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-08-18 16:08:37,231 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2020-08-18 16:08:37,232 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,232 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2020-08-18 16:08:37,232 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2020-08-18 16:08:37,232 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,232 INFO L264 CegarLoopResult]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,233 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-08-18 16:08:37,233 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2020-08-18 16:08:37,233 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-18 16:08:37,233 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,233 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,233 INFO L264 CegarLoopResult]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2020-08-18 16:08:37,234 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 16:08:37,235 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 16:08:37,236 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 16:08:37,236 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2020-08-18 16:08:37,236 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2020-08-18 16:08:37,236 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-08-18 16:08:37,236 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 16:08:37,236 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:08:37,237 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 704 711) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 704 711) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 704 711) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-08-18 16:08:37,237 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-08-18 16:08:37,238 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-08-18 16:08:37,239 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2020-08-18 16:08:37,240 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-08-18 16:08:37,241 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-08-18 16:08:37,241 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-08-18 16:08:37,241 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-18 16:08:37,241 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-18 16:08:37,241 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-08-18 16:08:37,241 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-08-18 16:08:37,241 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-08-18 16:08:37,241 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 16:08:37,242 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-08-18 16:08:37,242 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2020-08-18 16:08:37,242 INFO L264 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:37,242 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 16:08:37,242 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:37,242 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-08-18 16:08:37,242 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-08-18 16:08:37,243 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,243 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-08-18 16:08:37,243 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-08-18 16:08:37,244 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:08:37,244 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,244 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-08-18 16:08:37,244 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,244 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-08-18 16:08:37,245 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,245 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-08-18 16:08:37,245 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,245 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-08-18 16:08:37,245 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-08-18 16:08:37,245 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-08-18 16:08:37,246 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 16:08:37,247 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-08-18 16:08:37,248 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-08-18 16:08:37,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,250 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:08:37,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,250 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-08-18 16:08:37,250 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-08-18 16:08:37,250 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 712 728) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 712 728) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point L723-1(lines 712 728) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,251 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,252 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,252 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-08-18 16:08:37,252 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:08:37,252 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-08-18 16:08:37,252 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-08-18 16:08:37,252 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-08-18 16:08:37,252 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-08-18 16:08:37,253 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 16:08:37,253 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 16:08:37,253 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 16:08:37,253 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 16:08:37,253 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-08-18 16:08:37,253 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-08-18 16:08:37,254 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-08-18 16:08:37,254 INFO L271 CegarLoopResult]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2020-08-18 16:08:37,254 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2020-08-18 16:08:37,254 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-18 16:08:37,254 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2020-08-18 16:08:37,254 INFO L271 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2020-08-18 16:08:37,254 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-08-18 16:08:37,255 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-18 16:08:37,255 INFO L271 CegarLoopResult]: At program point L557(lines 532 561) the Hoare annotation is: true [2020-08-18 16:08:37,255 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-18 16:08:37,255 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-08-18 16:08:37,255 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-08-18 16:08:37,255 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-08-18 16:08:37,255 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-08-18 16:08:37,256 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2020-08-18 16:08:37,256 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2020-08-18 16:08:37,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,256 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 16:08:37,256 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:08:37,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:08:37,256 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-18 16:08:37,257 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 16:08:37,257 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-18 16:08:37,257 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-08-18 16:08:37,257 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 16:08:37,257 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-08-18 16:08:37,257 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2020-08-18 16:08:37,258 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2020-08-18 16:08:37,258 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2020-08-18 16:08:37,258 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2020-08-18 16:08:37,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:08:37 BoogieIcfgContainer [2020-08-18 16:08:37,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:08:37,278 INFO L168 Benchmark]: Toolchain (without parser) took 33518.02 ms. Allocated memory was 139.5 MB in the beginning and 673.7 MB in the end (delta: 534.2 MB). Free memory was 101.3 MB in the beginning and 585.8 MB in the end (delta: -484.5 MB). Peak memory consumption was 532.1 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,279 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.69 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 101.1 MB in the beginning and 168.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,281 INFO L168 Benchmark]: Boogie Preprocessor took 84.72 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,281 INFO L168 Benchmark]: RCFGBuilder took 1078.42 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 195.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,282 INFO L168 Benchmark]: TraceAbstraction took 31709.60 ms. Allocated memory was 234.9 MB in the beginning and 673.7 MB in the end (delta: 438.8 MB). Free memory was 195.6 MB in the beginning and 585.8 MB in the end (delta: -390.3 MB). Peak memory consumption was 530.9 MB. Max. memory is 7.1 GB. [2020-08-18 16:08:37,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.69 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 101.1 MB in the beginning and 168.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.72 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1078.42 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 195.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31709.60 ms. Allocated memory was 234.9 MB in the beginning and 673.7 MB in the end (delta: 438.8 MB). Free memory was 195.6 MB in the beginning and 585.8 MB in the end (delta: -390.3 MB). Peak memory consumption was 530.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 1307 SDslu, 598 SDs, 0 SdLazy, 2882 SolverSat, 936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 176427 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 19645 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...