/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 15:30:46,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 15:30:46,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 15:30:46,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 15:30:46,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 15:30:46,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 15:30:46,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 15:30:46,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 15:30:46,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 15:30:46,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 15:30:46,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 15:30:46,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 15:30:46,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 15:30:46,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 15:30:46,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 15:30:46,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 15:30:46,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 15:30:46,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 15:30:46,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 15:30:46,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 15:30:46,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 15:30:46,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 15:30:46,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 15:30:46,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 15:30:46,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 15:30:46,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 15:30:46,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 15:30:46,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 15:30:46,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 15:30:46,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 15:30:46,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 15:30:46,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 15:30:46,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 15:30:46,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 15:30:46,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 15:30:46,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 15:30:46,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 15:30:46,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 15:30:46,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 15:30:46,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 15:30:46,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 15:30:46,666 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 15:30:46,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 15:30:46,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 15:30:46,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 15:30:46,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 15:30:46,713 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 15:30:46,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 15:30:46,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 15:30:46,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 15:30:46,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 15:30:46,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 15:30:46,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 15:30:46,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 15:30:46,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 15:30:46,717 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 15:30:46,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 15:30:46,717 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 15:30:46,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 15:30:46,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 15:30:46,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 15:30:46,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 15:30:46,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 15:30:46,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 15:30:46,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 15:30:46,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 15:30:46,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 15:30:46,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 15:30:46,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 15:30:46,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 15:30:46,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 15:30:46,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 15:30:47,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 15:30:47,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 15:30:47,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 15:30:47,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 15:30:47,066 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 15:30:47,067 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-08-21 15:30:47,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/154712060/bfe1802a5b5a4b8d920d54a989bd7300/FLAG9034b307b [2020-08-21 15:30:47,639 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 15:30:47,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-08-21 15:30:47,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/154712060/bfe1802a5b5a4b8d920d54a989bd7300/FLAG9034b307b [2020-08-21 15:30:47,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/154712060/bfe1802a5b5a4b8d920d54a989bd7300 [2020-08-21 15:30:47,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 15:30:47,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 15:30:47,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 15:30:47,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 15:30:47,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 15:30:47,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:30:47" (1/1) ... [2020-08-21 15:30:47,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53926226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:47, skipping insertion in model container [2020-08-21 15:30:47,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:30:47" (1/1) ... [2020-08-21 15:30:47,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 15:30:48,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 15:30:48,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:30:48,431 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 15:30:48,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:30:48,554 INFO L208 MainTranslator]: Completed translation [2020-08-21 15:30:48,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48 WrapperNode [2020-08-21 15:30:48,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 15:30:48,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 15:30:48,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 15:30:48,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 15:30:48,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (1/1) ... [2020-08-21 15:30:48,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 15:30:48,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 15:30:48,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 15:30:48,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 15:30:48,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (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 15:30:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 15:30:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 15:30:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 15:30:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 15:30:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 15:30:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 15:30:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 15:30:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 15:30:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 15:30:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 15:30:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 15:30:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 15:30:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 15:30:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 15:30:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 15:30:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 15:30:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 15:30:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 15:30:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 15:30:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 15:30:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 15:30:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 15:30:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 15:30:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 15:30:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 15:30:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 15:30:49,798 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 15:30:49,799 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 15:30:49,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:30:49 BoogieIcfgContainer [2020-08-21 15:30:49,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 15:30:49,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 15:30:49,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 15:30:49,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 15:30:49,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 03:30:47" (1/3) ... [2020-08-21 15:30:49,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b882004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:30:49, skipping insertion in model container [2020-08-21 15:30:49,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:30:48" (2/3) ... [2020-08-21 15:30:49,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b882004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:30:49, skipping insertion in model container [2020-08-21 15:30:49,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:30:49" (3/3) ... [2020-08-21 15:30:49,813 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-08-21 15:30:49,823 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 15:30:49,831 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 15:30:49,845 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 15:30:49,868 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 15:30:49,868 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 15:30:49,869 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 15:30:49,869 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 15:30:49,869 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 15:30:49,869 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 15:30:49,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 15:30:49,870 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 15:30:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-21 15:30:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 15:30:49,901 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:30:49,902 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 15:30:49,903 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:30:49,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:30:49,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1535792598, now seen corresponding path program 1 times [2020-08-21 15:30:49,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:30:49,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058492818] [2020-08-21 15:30:49,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:30:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,649 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:30:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:30:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:30:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:30:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 15:30:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 15:30:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:30:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 15:30:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 15:30:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:50,744 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 15:30:50,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058492818] [2020-08-21 15:30:50,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:30:50,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 15:30:50,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39594290] [2020-08-21 15:30:50,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 15:30:50,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:30:50,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 15:30:50,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 15:30:50,774 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2020-08-21 15:30:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:30:51,830 INFO L93 Difference]: Finished difference Result 261 states and 347 transitions. [2020-08-21 15:30:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 15:30:51,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 15:30:51,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:30:51,847 INFO L225 Difference]: With dead ends: 261 [2020-08-21 15:30:51,847 INFO L226 Difference]: Without dead ends: 148 [2020-08-21 15:30:51,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 15:30:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-21 15:30:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2020-08-21 15:30:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 15:30:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2020-08-21 15:30:51,943 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 51 [2020-08-21 15:30:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:30:51,944 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2020-08-21 15:30:51,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 15:30:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2020-08-21 15:30:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 15:30:51,948 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:30:51,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:30:51,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 15:30:51,949 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:30:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:30:51,949 INFO L82 PathProgramCache]: Analyzing trace with hash 626792369, now seen corresponding path program 1 times [2020-08-21 15:30:51,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:30:51,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503755129] [2020-08-21 15:30:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:30:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,296 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:30:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:30:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:30:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:30:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 15:30:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 15:30:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:30:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:30:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 15:30:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:52,376 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 15:30:52,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503755129] [2020-08-21 15:30:52,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:30:52,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 15:30:52,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443324373] [2020-08-21 15:30:52,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:30:52,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:30:52,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:30:52,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:30:52,380 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 5 states. [2020-08-21 15:30:52,828 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 15:30:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:30:53,600 INFO L93 Difference]: Finished difference Result 196 states and 246 transitions. [2020-08-21 15:30:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 15:30:53,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 15:30:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:30:53,604 INFO L225 Difference]: With dead ends: 196 [2020-08-21 15:30:53,604 INFO L226 Difference]: Without dead ends: 138 [2020-08-21 15:30:53,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:30:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-21 15:30:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 105. [2020-08-21 15:30:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-21 15:30:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2020-08-21 15:30:53,645 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 52 [2020-08-21 15:30:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:30:53,645 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2020-08-21 15:30:53,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:30:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2020-08-21 15:30:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 15:30:53,648 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:30:53,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:30:53,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 15:30:53,648 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:30:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:30:53,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1563941770, now seen corresponding path program 1 times [2020-08-21 15:30:53,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:30:53,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150643312] [2020-08-21 15:30:53,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:30:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,023 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:30:54,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:30:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:30:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:30:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 15:30:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 15:30:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:30:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 15:30:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 15:30:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:54,156 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 15:30:54,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150643312] [2020-08-21 15:30:54,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:30:54,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 15:30:54,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635627693] [2020-08-21 15:30:54,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 15:30:54,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:30:54,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 15:30:54,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 15:30:54,163 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 9 states. [2020-08-21 15:30:54,581 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 15:30:54,895 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:30:55,177 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:30:55,395 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:30:56,193 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 15:30:57,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:30:57,468 INFO L93 Difference]: Finished difference Result 363 states and 463 transitions. [2020-08-21 15:30:57,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 15:30:57,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-21 15:30:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:30:57,481 INFO L225 Difference]: With dead ends: 363 [2020-08-21 15:30:57,481 INFO L226 Difference]: Without dead ends: 286 [2020-08-21 15:30:57,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 15:30:57,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-21 15:30:57,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2020-08-21 15:30:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-08-21 15:30:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2020-08-21 15:30:57,563 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 57 [2020-08-21 15:30:57,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:30:57,565 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2020-08-21 15:30:57,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 15:30:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2020-08-21 15:30:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 15:30:57,569 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:30:57,569 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] [2020-08-21 15:30:57,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 15:30:57,570 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:30:57,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:30:57,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1958499685, now seen corresponding path program 1 times [2020-08-21 15:30:57,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:30:57,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262007953] [2020-08-21 15:30:57,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:30:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,837 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:30:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:30:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:30:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:30:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 15:30:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 15:30:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:30:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:30:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 15:30:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 15:30:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:30:57,916 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 15:30:57,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262007953] [2020-08-21 15:30:57,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:30:57,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 15:30:57,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111864888] [2020-08-21 15:30:57,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 15:30:57,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:30:57,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 15:30:57,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 15:30:57,918 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand 9 states. [2020-08-21 15:30:58,309 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 15:30:59,353 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:30:59,735 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 15:30:59,961 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:31:00,217 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:31:00,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:31:00,939 INFO L93 Difference]: Finished difference Result 712 states and 966 transitions. [2020-08-21 15:31:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 15:31:00,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 15:31:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:31:00,948 INFO L225 Difference]: With dead ends: 712 [2020-08-21 15:31:00,948 INFO L226 Difference]: Without dead ends: 519 [2020-08-21 15:31:00,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 15:31:00,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-21 15:31:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 390. [2020-08-21 15:31:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-08-21 15:31:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2020-08-21 15:31:01,061 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 62 [2020-08-21 15:31:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:31:01,061 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2020-08-21 15:31:01,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 15:31:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2020-08-21 15:31:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 15:31:01,064 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:31:01,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:31:01,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 15:31:01,064 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:31:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:31:01,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2068118967, now seen corresponding path program 1 times [2020-08-21 15:31:01,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:31:01,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838996477] [2020-08-21 15:31:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:31:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,365 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:31:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:31:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 15:31:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:31:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 15:31:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 15:31:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:31:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 15:31:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 15:31:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 15:31:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 15:31:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:31:01,486 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 15:31:01,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838996477] [2020-08-21 15:31:01,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:31:01,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 15:31:01,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555222132] [2020-08-21 15:31:01,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 15:31:01,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:31:01,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 15:31:01,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 15:31:01,494 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand 10 states. [2020-08-21 15:31:02,018 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 15:31:03,086 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:31:03,355 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:31:03,601 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 15:31:04,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:31:04,134 INFO L93 Difference]: Finished difference Result 791 states and 1081 transitions. [2020-08-21 15:31:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 15:31:04,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 15:31:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:31:04,140 INFO L225 Difference]: With dead ends: 791 [2020-08-21 15:31:04,140 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 15:31:04,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 15:31:04,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 15:31:04,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 15:31:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 15:31:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 15:31:04,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 15:31:04,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:31:04,145 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 15:31:04,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 15:31:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 15:31:04,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 15:31:04,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 15:31:04,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 15:31:07,822 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 15:31:07,996 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:08,160 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 15:31:08,376 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:08,546 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:08,850 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-21 15:31:09,090 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 15:31:09,420 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 15:31:09,886 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 15:31:10,025 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 15:31:10,301 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 15:31:10,639 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 15:31:10,958 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 15:31:11,145 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:11,343 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:11,680 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 15:31:11,846 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 15:31:12,034 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 15:31:12,195 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 15:31:12,522 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 15:31:12,814 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 15:31:12,979 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 15:31:13,150 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 15:31:13,514 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 15:31:13,807 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 15:31:13,811 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-21 15:31:13,811 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-08-21 15:31:13,811 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-08-21 15:31:13,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-08-21 15:31:13,812 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-08-21 15:31:13,813 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-08-21 15:31:13,813 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-08-21 15:31:13,813 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-08-21 15:31:13,813 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-08-21 15:31:13,813 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2020-08-21 15:31:13,814 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2020-08-21 15:31:13,814 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2020-08-21 15:31:13,815 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,815 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,815 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,815 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,815 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-21 15:31:13,815 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-21 15:31:13,816 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,816 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,816 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-21 15:31:13,816 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-21 15:31:13,816 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 15:31:13,816 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 15:31:13,817 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 15:31:13,818 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 885 899) no Hoare annotation was computed. [2020-08-21 15:31:13,819 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 15:31:13,819 INFO L268 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-08-21 15:31:13,819 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 885 899) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 15:31:13,819 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 885 899) no Hoare annotation was computed. [2020-08-21 15:31:13,819 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 840 848) no Hoare annotation was computed. [2020-08-21 15:31:13,819 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 840 848) the Hoare annotation is: true [2020-08-21 15:31:13,819 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 840 848) no Hoare annotation was computed. [2020-08-21 15:31:13,819 INFO L268 CegarLoopResult]: For program point L856(lines 856 864) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 849 884) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 849 884) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point L868(lines 868 876) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 849 884) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point L868-2(lines 868 876) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2020-08-21 15:31:13,820 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-21 15:31:13,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,822 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 829 839) the Hoare annotation is: true [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 829 839) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 829 839) no Hoare annotation was computed. [2020-08-21 15:31:13,822 INFO L271 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: true [2020-08-21 15:31:13,822 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 821 828) the Hoare annotation is: true [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 821 828) no Hoare annotation was computed. [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 821 828) no Hoare annotation was computed. [2020-08-21 15:31:13,823 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-08-21 15:31:13,823 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-08-21 15:31:13,823 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2020-08-21 15:31:13,824 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,824 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,824 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-08-21 15:31:13,824 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,824 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-08-21 15:31:13,824 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-08-21 15:31:13,824 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,824 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 15:31:13,825 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-08-21 15:31:13,825 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,825 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-08-21 15:31:13,826 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L264 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L662(lines 662 672) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L658(lines 658 675) no Hoare annotation was computed. [2020-08-21 15:31:13,827 INFO L268 CegarLoopResult]: For program point L658-1(lines 650 678) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 650 678) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 15:31:13,828 INFO L264 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 650 678) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 642 649) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 642 649) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 642 649) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point L571(lines 571 579) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point L571-2(lines 571 579) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 563 585) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 563 585) no Hoare annotation was computed. [2020-08-21 15:31:13,828 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 563 585) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-08-21 15:31:13,829 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 606 615) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 606 615) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 606 615) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 813 820) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 813 820) no Hoare annotation was computed. [2020-08-21 15:31:13,830 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 586 594) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 586 594) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 586 594) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point L546-1(lines 542 553) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 542 553) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 542 553) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,831 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,832 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,832 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 15:31:13,832 INFO L268 CegarLoopResult]: For program point L760(lines 759 778) no Hoare annotation was computed. [2020-08-21 15:31:13,832 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 15:31:13,832 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2020-08-21 15:31:13,832 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2020-08-21 15:31:13,832 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 15:31:13,833 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 15:31:13,833 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 15:31:13,833 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 15:31:13,833 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 15:31:13,833 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 15:31:13,833 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 15:31:13,833 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 15:31:13,833 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 15:31:13,834 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 15:31:13,834 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 554 562) the Hoare annotation is: true [2020-08-21 15:31:13,834 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 554 562) no Hoare annotation was computed. [2020-08-21 15:31:13,834 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 554 562) no Hoare annotation was computed. [2020-08-21 15:31:13,834 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 518 529) the Hoare annotation is: true [2020-08-21 15:31:13,834 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 518 529) no Hoare annotation was computed. [2020-08-21 15:31:13,834 INFO L268 CegarLoopResult]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2020-08-21 15:31:13,834 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 15:31:13,835 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 15:31:13,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,835 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 15:31:13,835 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 15:31:13,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 15:31:13,835 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2020-08-21 15:31:13,835 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 900 907) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 15:31:13,835 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 900 907) no Hoare annotation was computed. [2020-08-21 15:31:13,836 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 530 541) no Hoare annotation was computed. [2020-08-21 15:31:13,836 INFO L268 CegarLoopResult]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2020-08-21 15:31:13,836 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 530 541) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 15:31:13,836 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 596 603) no Hoare annotation was computed. [2020-08-21 15:31:13,836 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2020-08-21 15:31:13,836 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 596 603) the Hoare annotation is: true [2020-08-21 15:31:13,836 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 596 603) no Hoare annotation was computed. [2020-08-21 15:31:13,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 03:31:13 BoogieIcfgContainer [2020-08-21 15:31:13,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 15:31:13,854 INFO L168 Benchmark]: Toolchain (without parser) took 25918.82 ms. Allocated memory was 141.0 MB in the beginning and 652.7 MB in the end (delta: 511.7 MB). Free memory was 103.2 MB in the beginning and 483.3 MB in the end (delta: -380.1 MB). Peak memory consumption was 507.8 MB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,855 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.37 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 103.0 MB in the beginning and 173.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,857 INFO L168 Benchmark]: Boogie Preprocessor took 102.43 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,858 INFO L168 Benchmark]: RCFGBuilder took 1145.54 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 169.0 MB in the beginning and 196.4 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,858 INFO L168 Benchmark]: TraceAbstraction took 24046.92 ms. Allocated memory was 235.4 MB in the beginning and 652.7 MB in the end (delta: 417.3 MB). Free memory was 196.4 MB in the beginning and 483.3 MB in the end (delta: -287.0 MB). Peak memory consumption was 506.6 MB. Max. memory is 7.1 GB. [2020-08-21 15:31:13,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.37 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 103.0 MB in the beginning and 173.4 MB in the end (delta: -70.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.43 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1145.54 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 169.0 MB in the beginning and 196.4 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24046.92 ms. Allocated memory was 235.4 MB in the beginning and 652.7 MB in the end (delta: 417.3 MB). Free memory was 196.4 MB in the beginning and 483.3 MB in the end (delta: -287.0 MB). Peak memory consumption was 506.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: 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: 692]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 1140 SDslu, 567 SDs, 0 SdLazy, 2362 SolverSat, 946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 802 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 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...