/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 --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:14:01,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:14:01,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:14:01,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:14:01,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:14:01,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:14:01,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:14:01,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:14:01,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:14:01,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:14:01,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:14:01,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:14:01,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:14:01,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:14:01,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:14:01,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:14:01,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:14:01,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:14:01,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:14:01,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:14:01,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:14:01,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:14:01,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:14:01,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:14:01,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:14:01,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:14:01,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:14:01,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:14:01,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:14:01,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:14:01,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:14:01,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:14:01,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:14:01,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:14:01,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:14:01,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:14:01,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:14:01,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:14:01,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:14:01,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:14:01,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:14:01,399 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 [2020-08-21 21:14:01,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:14:01,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:14:01,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:14:01,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:14:01,444 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:14:01,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:14:01,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:14:01,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:14:01,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:14:01,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:14:01,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:14:01,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:14:01,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:14:01,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:14:01,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:14:01,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:14:01,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:14:01,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:14:01,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:14:01,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:14:01,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:14:01,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:14:01,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:14:01,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:14:01,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:14:01,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:14:01,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:14:01,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:14:01,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:14:01,450 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:14:01,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:14:01,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:14:01,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:14:01,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:14:01,745 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:14:01,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-08-21 21:14:01,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f013cfb/a37e42f04cc94c229b89c527970944aa/FLAG0698836db [2020-08-21 21:14:02,348 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:14:02,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-08-21 21:14:02,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f013cfb/a37e42f04cc94c229b89c527970944aa/FLAG0698836db [2020-08-21 21:14:02,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39f013cfb/a37e42f04cc94c229b89c527970944aa [2020-08-21 21:14:02,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:14:02,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:14:02,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:14:02,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:14:02,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:14:02,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:14:02" (1/1) ... [2020-08-21 21:14:02,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:02, skipping insertion in model container [2020-08-21 21:14:02,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:14:02" (1/1) ... [2020-08-21 21:14:02,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:14:02,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:14:03,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:14:03,255 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:14:03,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:14:03,413 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:14:03,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03 WrapperNode [2020-08-21 21:14:03,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:14:03,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:14:03,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:14:03,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:14:03,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (1/1) ... [2020-08-21 21:14:03,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:14:03,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:14:03,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:14:03,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:14:03,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (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 [2020-08-21 21:14:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:14:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:14:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:14:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:14:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:14:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 21:14:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:14:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:14:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:14:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:14:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:14:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:14:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:14:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:14:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:14:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:14:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:14:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:14:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:14:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:14:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:14:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:14:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:14:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:14:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:14:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:14:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:14:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:14:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:14:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:14:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:14:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:14:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:14:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:14:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:14:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:14:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:14:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:14:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:14:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:14:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:14:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 21:14:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:14:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:14:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:14:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:14:04,661 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:14:04,661 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:14:04,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:14:04 BoogieIcfgContainer [2020-08-21 21:14:04,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:14:04,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:14:04,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:14:04,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:14:04,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:14:02" (1/3) ... [2020-08-21 21:14:04,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b23ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:14:04, skipping insertion in model container [2020-08-21 21:14:04,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:14:03" (2/3) ... [2020-08-21 21:14:04,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b23ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:14:04, skipping insertion in model container [2020-08-21 21:14:04,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:14:04" (3/3) ... [2020-08-21 21:14:04,676 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-08-21 21:14:04,687 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:14:04,695 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:14:04,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:14:04,737 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:14:04,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:14:04,738 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:14:04,738 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:14:04,738 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:14:04,738 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:14:04,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:14:04,739 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:14:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-21 21:14:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 21:14:04,772 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:04,774 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] [2020-08-21 21:14:04,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:04,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:04,781 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2020-08-21 21:14:04,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:04,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731455392] [2020-08-21 21:14:04,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,467 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:05,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:14:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:14:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:14:05,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731455392] [2020-08-21 21:14:05,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:14:05,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 21:14:05,605 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536365648] [2020-08-21 21:14:05,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 21:14:05,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:05,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 21:14:05,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:14:05,628 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2020-08-21 21:14:06,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:06,824 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2020-08-21 21:14:06,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 21:14:06,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 21:14:06,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:06,841 INFO L225 Difference]: With dead ends: 285 [2020-08-21 21:14:06,841 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 21:14:06,846 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 [2020-08-21 21:14:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 21:14:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2020-08-21 21:14:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-08-21 21:14:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2020-08-21 21:14:06,962 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2020-08-21 21:14:06,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:06,965 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2020-08-21 21:14:06,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 21:14:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2020-08-21 21:14:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 21:14:06,972 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:06,972 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] [2020-08-21 21:14:06,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:14:06,973 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:06,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2020-08-21 21:14:06,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:06,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192204898] [2020-08-21 21:14:06,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,385 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:07,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:14:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:14:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:14:07,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192204898] [2020-08-21 21:14:07,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:14:07,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:14:07,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115536743] [2020-08-21 21:14:07,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:14:07,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:07,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:14:07,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:14:07,430 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2020-08-21 21:14:07,828 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:14:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:08,562 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2020-08-21 21:14:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:14:08,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 21:14:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:08,566 INFO L225 Difference]: With dead ends: 218 [2020-08-21 21:14:08,566 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 21:14:08,567 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 [2020-08-21 21:14:08,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 21:14:08,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-21 21:14:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 21:14:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-08-21 21:14:08,601 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-08-21 21:14:08,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:08,602 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-08-21 21:14:08,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:14:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-08-21 21:14:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 21:14:08,604 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:08,604 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] [2020-08-21 21:14:08,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:14:08,605 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:08,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:08,605 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2020-08-21 21:14:08,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:08,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332052457] [2020-08-21 21:14:08,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,918 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:08,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:14:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:14:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:14:09,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332052457] [2020-08-21 21:14:09,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:14:09,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:14:09,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103222106] [2020-08-21 21:14:09,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:14:09,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:14:09,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:14:09,017 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2020-08-21 21:14:09,392 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:14:09,718 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:09,957 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:10,183 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:11,258 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2020-08-21 21:14:11,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:14:11,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 21:14:11,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:11,265 INFO L225 Difference]: With dead ends: 227 [2020-08-21 21:14:11,265 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 21:14:11,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:14:11,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 21:14:11,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-21 21:14:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-21 21:14:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-08-21 21:14:11,316 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2020-08-21 21:14:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:11,317 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-08-21 21:14:11,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:14:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-08-21 21:14:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:14:11,319 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:11,320 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, 1, 1, 1] [2020-08-21 21:14:11,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:14:11,320 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:11,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:11,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2020-08-21 21:14:11,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:11,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103651812] [2020-08-21 21:14:11,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,660 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 21:14:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:14:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 21:14:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:14:11,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103651812] [2020-08-21 21:14:11,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:14:11,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 21:14:11,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069039422] [2020-08-21 21:14:11,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 21:14:11,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:11,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 21:14:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:14:11,777 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2020-08-21 21:14:12,295 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:14:12,622 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:12,878 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:13,108 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:13,620 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:14:14,818 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:15,167 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:14:15,445 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:14:15,698 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:14:15,932 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:14:16,240 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:14:16,529 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:14:16,841 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:14:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:17,868 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2020-08-21 21:14:17,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 21:14:17,868 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-08-21 21:14:17,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:17,873 INFO L225 Difference]: With dead ends: 438 [2020-08-21 21:14:17,873 INFO L226 Difference]: Without dead ends: 349 [2020-08-21 21:14:17,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 21:14:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-21 21:14:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2020-08-21 21:14:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-21 21:14:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2020-08-21 21:14:17,964 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2020-08-21 21:14:17,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:17,965 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2020-08-21 21:14:17,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 21:14:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2020-08-21 21:14:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-21 21:14:17,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:17,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:14:17,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:14:17,969 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:17,970 INFO L82 PathProgramCache]: Analyzing trace with hash 319417616, now seen corresponding path program 1 times [2020-08-21 21:14:17,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:17,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453317107] [2020-08-21 21:14:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,296 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:18,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 21:14:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:14:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:14:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 21:14:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:14:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:14:18,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453317107] [2020-08-21 21:14:18,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:14:18,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:14:18,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97954057] [2020-08-21 21:14:18,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:14:18,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:18,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:14:18,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:14:18,374 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2020-08-21 21:14:18,776 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:14:19,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:19,314 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2020-08-21 21:14:19,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:14:19,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-08-21 21:14:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:19,317 INFO L225 Difference]: With dead ends: 434 [2020-08-21 21:14:19,317 INFO L226 Difference]: Without dead ends: 178 [2020-08-21 21:14:19,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:14:19,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-08-21 21:14:19,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2020-08-21 21:14:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-08-21 21:14:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2020-08-21 21:14:19,354 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 72 [2020-08-21 21:14:19,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:19,354 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2020-08-21 21:14:19,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:14:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2020-08-21 21:14:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-21 21:14:19,356 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:14:19,357 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, 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] [2020-08-21 21:14:19,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:14:19,357 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:14:19,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:14:19,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2020-08-21 21:14:19,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:14:19,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372420066] [2020-08-21 21:14:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:14:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,655 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:14:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:14:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:14:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:14:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:14:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 21:14:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:14:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-21 21:14:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 21:14:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-21 21:14:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-21 21:14:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:14:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 21:14:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-21 21:14:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:14:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 21:14:19,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372420066] [2020-08-21 21:14:19,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:14:19,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:14:19,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389410938] [2020-08-21 21:14:19,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:14:19,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:14:19,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:14:19,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:14:19,862 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 10 states. [2020-08-21 21:14:20,431 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 21:14:20,974 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:14:21,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:14:21,593 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2020-08-21 21:14:21,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:14:21,594 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-08-21 21:14:21,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:14:21,595 INFO L225 Difference]: With dead ends: 223 [2020-08-21 21:14:21,595 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:14:21,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:14:21,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:14:21,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:14:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:14:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:14:21,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2020-08-21 21:14:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:14:21,598 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:14:21,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:14:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:14:21,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:14:21,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:14:21,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:14:21,947 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-21 21:14:24,440 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:24,827 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:25,197 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:25,388 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:25,770 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:14:26,153 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:26,593 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:26,727 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:27,300 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-21 21:14:27,566 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:28,137 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 21:14:28,735 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 21:14:29,340 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-21 21:14:29,510 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:14:30,113 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:30,690 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:31,093 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:31,510 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 21:14:31,893 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-21 21:14:32,252 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-21 21:14:32,996 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 21:14:33,452 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 21:14:33,457 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-08-21 21:14:33,457 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2020-08-21 21:14:33,457 INFO L268 CegarLoopResult]: For program point L244(lines 221 245) no Hoare annotation was computed. [2020-08-21 21:14:33,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2020-08-21 21:14:33,458 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2020-08-21 21:14:33,458 INFO L268 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-08-21 21:14:33,458 INFO L268 CegarLoopResult]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2020-08-21 21:14:33,458 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point L305(lines 278 306) no Hoare annotation was computed. [2020-08-21 21:14:33,459 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2020-08-21 21:14:33,460 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-08-21 21:14:33,460 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2020-08-21 21:14:33,460 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-08-21 21:14:33,460 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2020-08-21 21:14:33,460 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2020-08-21 21:14:33,461 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2020-08-21 21:14:33,461 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2020-08-21 21:14:33,461 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2020-08-21 21:14:33,461 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2020-08-21 21:14:33,461 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,462 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-08-21 21:14:33,462 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,462 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-08-21 21:14:33,462 INFO L268 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-08-21 21:14:33,462 INFO L268 CegarLoopResult]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2020-08-21 21:14:33,462 INFO L271 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: true [2020-08-21 21:14:33,462 INFO L268 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-08-21 21:14:33,463 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2020-08-21 21:14:33,463 INFO L268 CegarLoopResult]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2020-08-21 21:14:33,463 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-08-21 21:14:33,463 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,463 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,464 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,464 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,464 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2020-08-21 21:14:33,464 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2020-08-21 21:14:33,464 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,465 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point L898(lines 898 905) no Hoare annotation was computed. [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-08-21 21:14:33,465 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-21 21:14:33,466 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-21 21:14:33,467 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-21 21:14:33,467 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-21 21:14:33,467 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-21 21:14:33,467 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-21 21:14:33,467 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,467 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,468 INFO L268 CegarLoopResult]: For program point L664(lines 664 672) no Hoare annotation was computed. [2020-08-21 21:14:33,468 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,468 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-08-21 21:14:33,468 INFO L268 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-08-21 21:14:33,468 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:33,468 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2020-08-21 21:14:33,469 INFO L264 CegarLoopResult]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:33,469 INFO L268 CegarLoopResult]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2020-08-21 21:14:33,469 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-21 21:14:33,469 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2020-08-21 21:14:33,469 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-21 21:14:33,469 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2020-08-21 21:14:33,469 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L767(lines 767 775) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2020-08-21 21:14:33,470 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2020-08-21 21:14:33,471 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point L478(lines 478 498) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2020-08-21 21:14:33,472 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L268 CegarLoopResult]: For program point L484(lines 484 491) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,473 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2020-08-21 21:14:33,473 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2020-08-21 21:14:33,473 INFO L271 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: true [2020-08-21 21:14:33,474 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-08-21 21:14:33,474 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2020-08-21 21:14:33,474 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2020-08-21 21:14:33,474 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2020-08-21 21:14:33,474 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2020-08-21 21:14:33,474 INFO L264 CegarLoopResult]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:33,474 INFO L268 CegarLoopResult]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2020-08-21 21:14:33,475 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,475 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2020-08-21 21:14:33,475 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,475 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 21:14:33,475 INFO L268 CegarLoopResult]: For program point L690(lines 690 698) no Hoare annotation was computed. [2020-08-21 21:14:33,475 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 21:14:33,475 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-21 21:14:33,476 INFO L268 CegarLoopResult]: For program point L686(lines 686 703) no Hoare annotation was computed. [2020-08-21 21:14:33,476 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2020-08-21 21:14:33,476 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2020-08-21 21:14:33,476 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:33,476 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:14:33,476 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-21 21:14:33,476 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-08-21 21:14:33,477 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:33,477 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2020-08-21 21:14:33,477 INFO L264 CegarLoopResult]: At program point L566(lines 523 568) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:33,477 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-08-21 21:14:33,477 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-08-21 21:14:33,477 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-08-21 21:14:33,478 INFO L264 CegarLoopResult]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:14:33,478 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-08-21 21:14:33,478 INFO L264 CegarLoopResult]: At program point L559-2(lines 553 564) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 21:14:33,478 INFO L268 CegarLoopResult]: For program point L524(lines 523 568) no Hoare annotation was computed. [2020-08-21 21:14:33,478 INFO L268 CegarLoopResult]: For program point L553(lines 553 564) no Hoare annotation was computed. [2020-08-21 21:14:33,478 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2020-08-21 21:14:33,478 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point L432(lines 432 452) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2020-08-21 21:14:33,479 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-21 21:14:33,480 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L403(lines 403 414) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2020-08-21 21:14:33,481 INFO L268 CegarLoopResult]: For program point L385(lines 363 386) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L344(lines 344 360) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L404(lines 404 411) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L365(lines 364 384) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point L361(lines 361 402) no Hoare annotation was computed. [2020-08-21 21:14:33,482 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2020-08-21 21:14:33,483 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2020-08-21 21:14:33,483 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2020-08-21 21:14:33,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,483 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.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~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.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~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#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~string38.base| |old(#t~string38.base)|) (= |#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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 21:14:33,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,483 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-08-21 21:14:33,484 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,485 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,486 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-21 21:14:33,486 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-21 21:14:33,486 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-21 21:14:33,486 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:33,486 INFO L264 CegarLoopResult]: At program point L635(lines 635 641) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:33,486 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 1 ~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))) [2020-08-21 21:14:33,487 INFO L268 CegarLoopResult]: For program point L628(lines 627 646) no Hoare annotation was computed. [2020-08-21 21:14:33,487 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 21:14:33,487 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2020-08-21 21:14:33,487 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2020-08-21 21:14:33,487 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-08-21 21:14:33,487 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-08-21 21:14:33,487 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-08-21 21:14:33,487 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-08-21 21:14:33,488 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-21 21:14:33,488 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-08-21 21:14:33,488 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-08-21 21:14:33,488 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-08-21 21:14:33,488 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-08-21 21:14:33,488 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-21 21:14:33,488 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-21 21:14:33,488 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-21 21:14:33,489 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-21 21:14:33,489 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-08-21 21:14:33,489 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-08-21 21:14:33,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,489 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:14:33,489 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:14:33,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:14:33,489 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-21 21:14:33,490 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-21 21:14:33,490 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 21:14:33,490 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2020-08-21 21:14:33,490 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-08-21 21:14:33,490 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2020-08-21 21:14:33,490 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2020-08-21 21:14:33,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:14:33 BoogieIcfgContainer [2020-08-21 21:14:33,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:14:33,510 INFO L168 Benchmark]: Toolchain (without parser) took 30874.41 ms. Allocated memory was 148.4 MB in the beginning and 640.2 MB in the end (delta: 491.8 MB). Free memory was 103.6 MB in the beginning and 382.6 MB in the end (delta: -279.0 MB). Peak memory consumption was 490.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,511 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.63 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,513 INFO L168 Benchmark]: Boogie Preprocessor took 90.72 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,513 INFO L168 Benchmark]: RCFGBuilder took 1161.70 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 167.5 MB in the beginning and 189.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,514 INFO L168 Benchmark]: TraceAbstraction took 28840.36 ms. Allocated memory was 234.4 MB in the beginning and 640.2 MB in the end (delta: 405.8 MB). Free memory was 189.2 MB in the beginning and 382.6 MB in the end (delta: -193.4 MB). Peak memory consumption was 490.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:14:33,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 776.63 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.72 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.70 ms. Allocated memory was 205.5 MB in the beginning and 234.4 MB in the end (delta: 28.8 MB). Free memory was 167.5 MB in the beginning and 189.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28840.36 ms. Allocated memory was 234.4 MB in the beginning and 640.2 MB in the end (delta: 405.8 MB). Free memory was 189.2 MB in the beginning and 382.6 MB in the end (delta: -193.4 MB). Peak memory consumption was 490.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 571 SDtfs, 1200 SDslu, 392 SDs, 0 SdLazy, 2545 SolverSat, 767 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9815 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 120647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/36 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...