/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 interpolation-heuristic=FIRST --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_spec1_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:40:26,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:40:26,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:40:26,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 14:40:26,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 14:40:26,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 14:40:26,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 14:40:26,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 14:40:26,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 14:40:26,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 14:40:26,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 14:40:26,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 14:40:26,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:40:26,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:40:26,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:40:26,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:40:26,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:40:26,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:40:26,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:40:26,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:40:26,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:40:26,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:40:26,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:40:26,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:40:26,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 14:40:26,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 14:40:26,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 14:40:26,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 14:40:26,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 14:40:26,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 14:40:26,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 14:40:26,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 14:40:26,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 14:40:26,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 14:40:26,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 14:40:26,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 14:40:26,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 14:40:26,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 14:40:26,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:40:26,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:40:26,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:40:26,484 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 14:40:26,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:40:26,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:40:26,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:40:26,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:40:26,508 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:40:26,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:40:26,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:40:26,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:40:26,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:40:26,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:40:26,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:40:26,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:40:26,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:40:26,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:40:26,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:40:26,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:40:26,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:40:26,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:40:26,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:40:26,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:40:26,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:40:26,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:40:26,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:40:26,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:40:26,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:40:26,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:40:26,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:40:26,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:40:26,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:40:26,513 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:40:26,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:40:26,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:40:26,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:40:26,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:40:26,845 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:40:26,845 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-08-21 14:40:26,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aea00d64/12d8d11813544cc5b14ab33063b1afdb/FLAG68c9f8f35 [2020-08-21 14:40:27,428 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:40:27,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-08-21 14:40:27,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aea00d64/12d8d11813544cc5b14ab33063b1afdb/FLAG68c9f8f35 [2020-08-21 14:40:27,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4aea00d64/12d8d11813544cc5b14ab33063b1afdb [2020-08-21 14:40:27,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:40:27,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:40:27,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:40:27,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:40:27,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:40:27,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:40:27" (1/1) ... [2020-08-21 14:40:27,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cbdd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:27, skipping insertion in model container [2020-08-21 14:40:27,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:40:27" (1/1) ... [2020-08-21 14:40:27,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:40:27,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:40:28,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:40:28,311 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:40:28,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:40:28,500 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:40:28,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28 WrapperNode [2020-08-21 14:40:28,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:40:28,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:40:28,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:40:28,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:40:28,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (1/1) ... [2020-08-21 14:40:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:40:28,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:40:28,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:40:28,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:40:28,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (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 14:40:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:40:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:40:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 14:40:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 14:40:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 14:40:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 14:40:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 14:40:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 14:40:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 14:40:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 14:40:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 14:40:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 14:40:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 14:40:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 14:40:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 14:40:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 14:40:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 14:40:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 14:40:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 14:40:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 14:40:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 14:40:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 14:40:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 14:40:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 14:40:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 14:40:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 14:40:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 14:40:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 14:40:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 14:40:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 14:40:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:40:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:40:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 14:40:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 14:40:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 14:40:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 14:40:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 14:40:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 14:40:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 14:40:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 14:40:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 14:40:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 14:40:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 14:40:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 14:40:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 14:40:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 14:40:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 14:40:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 14:40:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 14:40:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 14:40:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 14:40:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 14:40:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 14:40:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 14:40:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 14:40:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 14:40:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 14:40:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 14:40:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 14:40:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 14:40:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 14:40:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 14:40:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 14:40:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:40:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 14:40:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:40:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 14:40:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:40:29,859 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:40:29,860 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 14:40:29,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:40:29 BoogieIcfgContainer [2020-08-21 14:40:29,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:40:29,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:40:29,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:40:29,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:40:29,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:40:27" (1/3) ... [2020-08-21 14:40:29,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a34e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:40:29, skipping insertion in model container [2020-08-21 14:40:29,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:40:28" (2/3) ... [2020-08-21 14:40:29,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a34e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:40:29, skipping insertion in model container [2020-08-21 14:40:29,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:40:29" (3/3) ... [2020-08-21 14:40:29,874 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-08-21 14:40:29,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:40:29,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:40:29,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:40:29,933 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:40:29,933 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:40:29,933 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:40:29,933 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:40:29,933 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:40:29,934 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:40:29,934 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:40:29,934 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:40:29,961 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-08-21 14:40:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 14:40:29,974 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:40:29,975 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 14:40:29,976 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:40:29,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:40:29,984 INFO L82 PathProgramCache]: Analyzing trace with hash 214690501, now seen corresponding path program 1 times [2020-08-21 14:40:29,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:40:29,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780062522] [2020-08-21 14:40:29,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:40:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,634 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:30,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:40:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:40:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:40:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:40:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:40:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:40:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:40:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:30,720 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 14:40:30,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780062522] [2020-08-21 14:40:30,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:40:30,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 14:40:30,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683979329] [2020-08-21 14:40:30,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 14:40:30,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:40:30,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 14:40:30,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 14:40:30,748 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2020-08-21 14:40:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:40:31,850 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2020-08-21 14:40:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 14:40:31,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 14:40:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:40:31,868 INFO L225 Difference]: With dead ends: 237 [2020-08-21 14:40:31,869 INFO L226 Difference]: Without dead ends: 129 [2020-08-21 14:40:31,874 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 14:40:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-21 14:40:31,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-21 14:40:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 14:40:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-08-21 14:40:31,975 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2020-08-21 14:40:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:40:31,976 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-08-21 14:40:31,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 14:40:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-08-21 14:40:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 14:40:31,980 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:40:31,980 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 14:40:31,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:40:31,980 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:40:31,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:40:31,981 INFO L82 PathProgramCache]: Analyzing trace with hash -780054523, now seen corresponding path program 1 times [2020-08-21 14:40:31,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:40:31,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [539573429] [2020-08-21 14:40:31,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:40:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,320 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:32,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:40:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:40:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:40:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:40:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:40:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 14:40:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 14:40:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:32,400 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 14:40:32,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [539573429] [2020-08-21 14:40:32,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:40:32,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:40:32,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598198709] [2020-08-21 14:40:32,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 14:40:32,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:40:32,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 14:40:32,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 14:40:32,406 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 4 states. [2020-08-21 14:40:32,911 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:40:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:40:33,560 INFO L93 Difference]: Finished difference Result 170 states and 208 transitions. [2020-08-21 14:40:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:40:33,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 14:40:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:40:33,563 INFO L225 Difference]: With dead ends: 170 [2020-08-21 14:40:33,563 INFO L226 Difference]: Without dead ends: 113 [2020-08-21 14:40:33,565 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 14:40:33,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-21 14:40:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-21 14:40:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-21 14:40:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-08-21 14:40:33,595 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2020-08-21 14:40:33,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:40:33,595 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-08-21 14:40:33,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 14:40:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-08-21 14:40:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 14:40:33,597 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:40:33,598 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 14:40:33,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:40:33,598 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:40:33,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:40:33,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1480057992, now seen corresponding path program 1 times [2020-08-21 14:40:33,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:40:33,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827621843] [2020-08-21 14:40:33,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:40:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:33,949 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:40:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:40:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:40:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:33,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:40:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:40:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 14:40:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:34,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 14:40:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:34,024 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 14:40:34,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827621843] [2020-08-21 14:40:34,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:40:34,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 14:40:34,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737709284] [2020-08-21 14:40:34,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:40:34,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:40:34,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:40:34,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:40:34,027 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 8 states. [2020-08-21 14:40:34,449 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 14:40:34,804 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:35,058 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:35,313 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:40:36,152 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2020-08-21 14:40:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:40:36,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 14:40:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:40:36,159 INFO L225 Difference]: With dead ends: 179 [2020-08-21 14:40:36,160 INFO L226 Difference]: Without dead ends: 113 [2020-08-21 14:40:36,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:40:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-21 14:40:36,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-21 14:40:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-21 14:40:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2020-08-21 14:40:36,206 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2020-08-21 14:40:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:40:36,208 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2020-08-21 14:40:36,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:40:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2020-08-21 14:40:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 14:40:36,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:40:36,217 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] [2020-08-21 14:40:36,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:40:36,221 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:40:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:40:36,221 INFO L82 PathProgramCache]: Analyzing trace with hash -645246501, now seen corresponding path program 1 times [2020-08-21 14:40:36,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:40:36,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230808733] [2020-08-21 14:40:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:40:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,587 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:40:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:40:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:40:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:40:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:40:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 14:40:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:40:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 14:40:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 14:40:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:36,710 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 14:40:36,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230808733] [2020-08-21 14:40:36,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:40:36,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 14:40:36,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422883925] [2020-08-21 14:40:36,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 14:40:36,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:40:36,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 14:40:36,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:40:36,712 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2020-08-21 14:40:37,130 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 14:40:37,982 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:38,301 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 14:40:38,798 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:39,055 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:39,447 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:40:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:40:39,890 INFO L93 Difference]: Finished difference Result 279 states and 369 transitions. [2020-08-21 14:40:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:40:39,892 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 14:40:39,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:40:39,897 INFO L225 Difference]: With dead ends: 279 [2020-08-21 14:40:39,897 INFO L226 Difference]: Without dead ends: 213 [2020-08-21 14:40:39,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:40:39,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-08-21 14:40:39,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2020-08-21 14:40:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-08-21 14:40:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-08-21 14:40:39,946 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-08-21 14:40:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:40:39,946 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-08-21 14:40:39,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 14:40:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-08-21 14:40:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 14:40:39,949 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:40:39,949 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] [2020-08-21 14:40:39,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:40:39,950 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:40:39,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:40:39,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1499933855, now seen corresponding path program 1 times [2020-08-21 14:40:39,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:40:39,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172876820] [2020-08-21 14:40:39,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:40:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,274 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:40:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:40:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:40:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:40:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:40:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 14:40:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 14:40:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:40:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 14:40:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 14:40:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:40:40,394 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 14:40:40,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172876820] [2020-08-21 14:40:40,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:40:40,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:40:40,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644920325] [2020-08-21 14:40:40,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:40:40,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:40:40,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:40:40,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:40:40,397 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 9 states. [2020-08-21 14:40:40,860 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 14:40:41,631 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:41,913 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:42,147 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 14:40:42,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:40:42,297 INFO L93 Difference]: Finished difference Result 263 states and 328 transitions. [2020-08-21 14:40:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:40:42,298 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-21 14:40:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:40:42,299 INFO L225 Difference]: With dead ends: 263 [2020-08-21 14:40:42,299 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:40:42,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:40:42,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:40:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:40:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:40:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:40:42,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-21 14:40:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:40:42,309 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:40:42,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:40:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:40:42,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:40:42,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:40:42,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:40:42,826 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-08-21 14:40:44,372 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 14:40:44,695 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 14:40:44,874 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:45,094 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 14:40:45,324 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:45,636 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 14:40:46,007 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 14:40:46,381 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-21 14:40:46,569 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:46,761 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:46,978 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 14:40:47,150 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 14:40:47,353 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 14:40:47,724 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-21 14:40:47,894 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-21 14:40:48,260 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-21 14:40:48,443 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-21 14:40:48,780 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-21 14:40:48,955 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:49,129 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 438) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L439(lines 416 440) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 392 447) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 392 447) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L423-1(lines 423 427) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 392 447) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-08-21 14:40:49,134 INFO L268 CegarLoopResult]: For program point L480-1(lines 480 484) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point L474-2(lines 474 499) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 448 507) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point L500(lines 473 501) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 448 507) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-08-21 14:40:49,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 448 507) no Hoare annotation was computed. [2020-08-21 14:40:49,136 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 849 855) the Hoare annotation is: true [2020-08-21 14:40:49,136 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 849 855) no Hoare annotation was computed. [2020-08-21 14:40:49,136 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 856 864) no Hoare annotation was computed. [2020-08-21 14:40:49,136 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 856 864) the Hoare annotation is: true [2020-08-21 14:40:49,136 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 856 864) no Hoare annotation was computed. [2020-08-21 14:40:49,136 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 807 829) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,136 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 807 829) no Hoare annotation was computed. [2020-08-21 14:40:49,137 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:40:49,137 INFO L264 CegarLoopResult]: At program point L819-1(line 819) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:40:49,137 INFO L268 CegarLoopResult]: For program point L817(lines 817 824) no Hoare annotation was computed. [2020-08-21 14:40:49,137 INFO L268 CegarLoopResult]: For program point L817-1(lines 817 824) no Hoare annotation was computed. [2020-08-21 14:40:49,137 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-21 14:40:49,137 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,138 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 807 829) no Hoare annotation was computed. [2020-08-21 14:40:49,138 INFO L264 CegarLoopResult]: At program point L813-1(line 813) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 763 786) no Hoare annotation was computed. [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 763 786) no Hoare annotation was computed. [2020-08-21 14:40:49,138 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 763 786) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L781(line 781) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-21 14:40:49,139 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2020-08-21 14:40:49,140 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 228 263) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point L235-2(lines 235 243) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 842 848) no Hoare annotation was computed. [2020-08-21 14:40:49,141 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 842 848) the Hoare annotation is: true [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 346 391) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 346 391) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 346 391) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point L673(lines 673 693) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 659 704) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 659 704) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-08-21 14:40:49,142 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 659 704) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 794 803) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 794 803) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 794 803) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 208 218) the Hoare annotation is: true [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L271 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: true [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-08-21 14:40:49,143 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2020-08-21 14:40:49,143 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 167 191) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,144 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 167 191) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,144 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point L175(lines 175 183) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point L173-1(line 173) no Hoare annotation was computed. [2020-08-21 14:40:49,144 INFO L268 CegarLoopResult]: For program point L171(lines 171 188) no Hoare annotation was computed. [2020-08-21 14:40:49,145 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2020-08-21 14:40:49,145 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2020-08-21 14:40:49,145 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 338) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 14:40:49,145 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-08-21 14:40:49,145 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 338) no Hoare annotation was computed. [2020-08-21 14:40:49,145 INFO L264 CegarLoopResult]: At program point L331(lines 284 332) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 14:40:49,145 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-08-21 14:40:49,145 INFO L264 CegarLoopResult]: At program point L321-2(lines 315 326) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:40:49,145 INFO L268 CegarLoopResult]: For program point L286(lines 285 330) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:40:49,146 INFO L264 CegarLoopResult]: At program point L328(lines 285 330) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 338) no Hoare annotation was computed. [2020-08-21 14:40:49,146 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 613 658) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L633(lines 633 640) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 613 658) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L627(lines 627 647) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 647) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 613 658) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 510 612) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L539(lines 539 555) no Hoare annotation was computed. [2020-08-21 14:40:49,147 INFO L268 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L560(lines 559 579) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L556(lines 556 597) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 510 612) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L598(lines 598 609) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 510 612) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 579) no Hoare annotation was computed. [2020-08-21 14:40:49,148 INFO L268 CegarLoopResult]: For program point L580(lines 558 581) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 832 841) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 832 841) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 832 841) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.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~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 192 199) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2020-08-21 14:40:49,149 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 14:40:49,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 14:40:49,151 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,151 INFO L264 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,151 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,151 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:40:49,151 INFO L268 CegarLoopResult]: For program point L139(lines 138 157) no Hoare annotation was computed. [2020-08-21 14:40:49,151 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2020-08-21 14:40:49,151 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2020-08-21 14:40:49,151 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 733 762) no Hoare annotation was computed. [2020-08-21 14:40:49,151 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 733 762) the Hoare annotation is: true [2020-08-21 14:40:49,151 INFO L271 CegarLoopResult]: At program point L758(lines 733 762) the Hoare annotation is: true [2020-08-21 14:40:49,151 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L271 CegarLoopResult]: At program point L747-1(lines 747 751) the Hoare annotation is: true [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L271 CegarLoopResult]: At program point L743-2(lines 743 757) the Hoare annotation is: true [2020-08-21 14:40:49,152 INFO L271 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: true [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point L739-1(line 739) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 787 793) no Hoare annotation was computed. [2020-08-21 14:40:49,152 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 787 793) the Hoare annotation is: true [2020-08-21 14:40:49,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,153 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 14:40:49,153 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:40:49,153 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:40:49,153 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 14:40:49,153 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 14:40:49,153 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 14:40:49,153 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 265 272) no Hoare annotation was computed. [2020-08-21 14:40:49,154 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2020-08-21 14:40:49,154 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 265 272) the Hoare annotation is: true [2020-08-21 14:40:49,154 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 265 272) no Hoare annotation was computed. [2020-08-21 14:40:49,154 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 706 730) the Hoare annotation is: true [2020-08-21 14:40:49,154 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 706 730) no Hoare annotation was computed. [2020-08-21 14:40:49,154 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 14:40:49,154 INFO L268 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-08-21 14:40:49,155 INFO L264 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 14:40:49,155 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-08-21 14:40:49,155 INFO L268 CegarLoopResult]: For program point L714(lines 714 727) no Hoare annotation was computed. [2020-08-21 14:40:49,155 INFO L268 CegarLoopResult]: For program point L714-1(lines 706 730) no Hoare annotation was computed. [2020-08-21 14:40:49,155 INFO L271 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: true [2020-08-21 14:40:49,155 INFO L268 CegarLoopResult]: For program point L712-1(line 712) no Hoare annotation was computed. [2020-08-21 14:40:49,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:40:49 BoogieIcfgContainer [2020-08-21 14:40:49,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:40:49,176 INFO L168 Benchmark]: Toolchain (without parser) took 21382.94 ms. Allocated memory was 138.9 MB in the beginning and 532.2 MB in the end (delta: 393.2 MB). Free memory was 99.9 MB in the beginning and 361.4 MB in the end (delta: -261.5 MB). Peak memory consumption was 413.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,176 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.10 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 169.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,178 INFO L168 Benchmark]: Boogie Preprocessor took 88.53 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,179 INFO L168 Benchmark]: RCFGBuilder took 1275.04 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.0 MB in the beginning and 199.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,180 INFO L168 Benchmark]: TraceAbstraction took 19307.23 ms. Allocated memory was 234.4 MB in the beginning and 532.2 MB in the end (delta: 297.8 MB). Free memory was 199.4 MB in the beginning and 361.4 MB in the end (delta: -162.0 MB). Peak memory consumption was 417.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:40:49,185 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.10 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 99.5 MB in the beginning and 169.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.53 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1275.04 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.0 MB in the beginning and 199.4 MB in the end (delta: -34.4 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19307.23 ms. Allocated memory was 234.4 MB in the beginning and 532.2 MB in the end (delta: 297.8 MB). Free memory was 199.4 MB in the beginning and 361.4 MB in the end (delta: -162.0 MB). Peak memory consumption was 417.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 402 SDtfs, 569 SDslu, 263 SDs, 0 SdLazy, 1468 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 651 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 48 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...