./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8e2fe939766c7a542c760a74550866c5b83d51d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:56:00,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:56:00,654 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:56:00,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:56:00,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:56:00,671 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:56:00,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:56:00,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:56:00,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:56:00,679 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:56:00,682 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:56:00,682 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:56:00,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:56:00,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:56:00,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:56:00,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:56:00,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:56:00,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:56:00,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:56:00,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:56:00,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:56:00,709 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:56:00,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:56:00,714 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:56:00,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:56:00,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:56:00,716 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:56:00,717 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:56:00,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:56:00,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:56:00,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:56:00,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:56:00,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:56:00,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:56:00,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:56:00,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:56:00,728 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:56:00,746 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:56:00,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:56:00,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:56:00,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:56:00,749 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:56:00,749 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:56:00,750 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:56:00,750 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:56:00,751 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:56:00,752 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:56:00,752 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:56:00,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:56:00,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:56:00,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:56:00,753 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:56:00,753 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:56:00,753 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:56:00,755 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:56:00,756 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:56:00,756 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:56:00,756 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:56:00,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:56:00,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:56:00,757 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e2fe939766c7a542c760a74550866c5b83d51d [2019-01-12 14:56:00,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:56:00,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:56:00,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:56:00,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:56:00,827 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:56:00,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2019-01-12 14:56:00,885 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d8040ec/ebd5f2b3537b48cb992645100b7b2674/FLAG4694cbf04 [2019-01-12 14:56:01,443 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:56:01,444 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2019-01-12 14:56:01,458 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d8040ec/ebd5f2b3537b48cb992645100b7b2674/FLAG4694cbf04 [2019-01-12 14:56:01,689 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d8040ec/ebd5f2b3537b48cb992645100b7b2674 [2019-01-12 14:56:01,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:56:01,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:56:01,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:56:01,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:56:01,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:56:01,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:56:01" (1/1) ... [2019-01-12 14:56:01,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672937de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:01, skipping insertion in model container [2019-01-12 14:56:01,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:56:01" (1/1) ... [2019-01-12 14:56:01,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:56:01,776 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:56:02,160 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:56:02,182 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:56:02,326 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:56:02,444 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:56:02,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02 WrapperNode [2019-01-12 14:56:02,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:56:02,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:56:02,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:56:02,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:56:02,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:56:02,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:56:02,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:56:02,555 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:56:02,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... [2019-01-12 14:56:02,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:56:02,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:56:02,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:56:02,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:56:02,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:56:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:56:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:56:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:56:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:56:04,183 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:56:04,183 INFO L286 CfgBuilder]: Removed 208 assue(true) statements. [2019-01-12 14:56:04,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:56:04 BoogieIcfgContainer [2019-01-12 14:56:04,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:56:04,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:56:04,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:56:04,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:56:04,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:56:01" (1/3) ... [2019-01-12 14:56:04,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6617b426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:56:04, skipping insertion in model container [2019-01-12 14:56:04,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:56:02" (2/3) ... [2019-01-12 14:56:04,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6617b426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:56:04, skipping insertion in model container [2019-01-12 14:56:04,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:56:04" (3/3) ... [2019-01-12 14:56:04,192 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2019-01-12 14:56:04,200 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:56:04,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:56:04,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:56:04,257 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:56:04,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:56:04,258 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:56:04,258 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:56:04,259 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:56:04,259 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:56:04,259 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:56:04,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:56:04,260 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:56:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-01-12 14:56:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:56:04,286 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:04,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:56:04,290 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:04,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:04,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2088069929, now seen corresponding path program 1 times [2019-01-12 14:56:04,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:04,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:04,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:04,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:04,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:04,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:04,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:56:04,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:56:04,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:56:04,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:56:04,554 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-01-12 14:56:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:04,588 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-01-12 14:56:04,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:56:04,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-01-12 14:56:04,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:04,607 INFO L225 Difference]: With dead ends: 281 [2019-01-12 14:56:04,607 INFO L226 Difference]: Without dead ends: 140 [2019-01-12 14:56:04,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:56:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-01-12 14:56:04,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-01-12 14:56:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-01-12 14:56:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-01-12 14:56:04,661 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-01-12 14:56:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:04,662 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-01-12 14:56:04,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:56:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-01-12 14:56:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 14:56:04,664 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:04,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:56:04,668 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:04,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:04,668 INFO L82 PathProgramCache]: Analyzing trace with hash -282050376, now seen corresponding path program 1 times [2019-01-12 14:56:04,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:04,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:04,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:04,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:04,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:04,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:56:04,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:56:04,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:56:04,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:04,848 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2019-01-12 14:56:04,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:04,878 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-01-12 14:56:04,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:56:04,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-12 14:56:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:04,882 INFO L225 Difference]: With dead ends: 140 [2019-01-12 14:56:04,882 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 14:56:04,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 14:56:04,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 14:56:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 14:56:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-01-12 14:56:04,903 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-01-12 14:56:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:04,903 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-01-12 14:56:04,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:56:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-01-12 14:56:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:56:04,904 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:04,908 INFO L402 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] [2019-01-12 14:56:04,909 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:04,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:04,909 INFO L82 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2019-01-12 14:56:04,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:04,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:04,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:04,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:05,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:05,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:56:05,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:56:05,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:56:05,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:05,038 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2019-01-12 14:56:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:05,091 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-01-12 14:56:05,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:56:05,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-01-12 14:56:05,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:05,094 INFO L225 Difference]: With dead ends: 107 [2019-01-12 14:56:05,094 INFO L226 Difference]: Without dead ends: 57 [2019-01-12 14:56:05,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-12 14:56:05,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-12 14:56:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-12 14:56:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-01-12 14:56:05,105 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-01-12 14:56:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:05,106 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-01-12 14:56:05,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:56:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-01-12 14:56:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-12 14:56:05,108 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:05,108 INFO L402 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] [2019-01-12 14:56:05,108 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:05,111 INFO L82 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2019-01-12 14:56:05,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:05,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:05,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:05,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:05,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:05,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:05,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:56:05,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:56:05,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:56:05,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:05,257 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-01-12 14:56:05,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:05,348 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-01-12 14:56:05,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:56:05,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-01-12 14:56:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:05,351 INFO L225 Difference]: With dead ends: 131 [2019-01-12 14:56:05,352 INFO L226 Difference]: Without dead ends: 81 [2019-01-12 14:56:05,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-12 14:56:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-01-12 14:56:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-01-12 14:56:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-01-12 14:56:05,363 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-01-12 14:56:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:05,364 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-01-12 14:56:05,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:56:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-01-12 14:56:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:56:05,365 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:05,365 INFO L402 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] [2019-01-12 14:56:05,365 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:05,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:05,366 INFO L82 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2019-01-12 14:56:05,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:05,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:05,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:05,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:05,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:05,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:05,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:56:05,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:56:05,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:56:05,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:56:05,477 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-01-12 14:56:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:06,041 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-01-12 14:56:06,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:56:06,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-01-12 14:56:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:06,045 INFO L225 Difference]: With dead ends: 266 [2019-01-12 14:56:06,045 INFO L226 Difference]: Without dead ends: 194 [2019-01-12 14:56:06,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:56:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-01-12 14:56:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-01-12 14:56:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-12 14:56:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-01-12 14:56:06,063 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-01-12 14:56:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:06,065 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-01-12 14:56:06,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:56:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-01-12 14:56:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-12 14:56:06,067 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:06,067 INFO L402 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] [2019-01-12 14:56:06,068 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:06,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:06,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2019-01-12 14:56:06,068 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:06,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:06,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:06,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:06,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:06,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:06,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:56:06,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:56:06,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:56:06,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:56:06,392 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-01-12 14:56:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:07,063 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-01-12 14:56:07,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:56:07,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-01-12 14:56:07,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:07,065 INFO L225 Difference]: With dead ends: 198 [2019-01-12 14:56:07,065 INFO L226 Difference]: Without dead ends: 127 [2019-01-12 14:56:07,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:56:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-01-12 14:56:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-01-12 14:56:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-01-12 14:56:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-01-12 14:56:07,081 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-01-12 14:56:07,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:07,082 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-01-12 14:56:07,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:56:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-01-12 14:56:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-12 14:56:07,084 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:07,085 INFO L402 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] [2019-01-12 14:56:07,085 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:07,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:07,085 INFO L82 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2019-01-12 14:56:07,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:07,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:07,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:07,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:07,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:07,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:07,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:56:07,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:56:07,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:56:07,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:56:07,384 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 5 states. [2019-01-12 14:56:07,767 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 14:56:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:08,177 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2019-01-12 14:56:08,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:56:08,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-01-12 14:56:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:08,183 INFO L225 Difference]: With dead ends: 215 [2019-01-12 14:56:08,183 INFO L226 Difference]: Without dead ends: 138 [2019-01-12 14:56:08,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:56:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-01-12 14:56:08,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2019-01-12 14:56:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-12 14:56:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-01-12 14:56:08,217 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-01-12 14:56:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:08,218 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-01-12 14:56:08,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:56:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-01-12 14:56:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-12 14:56:08,223 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:08,223 INFO L402 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] [2019-01-12 14:56:08,224 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:08,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:08,224 INFO L82 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2019-01-12 14:56:08,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:08,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:08,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:08,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:08,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:08,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:08,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:56:08,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:56:08,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:56:08,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:08,337 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2019-01-12 14:56:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:08,529 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2019-01-12 14:56:08,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:56:08,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-01-12 14:56:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:08,531 INFO L225 Difference]: With dead ends: 197 [2019-01-12 14:56:08,531 INFO L226 Difference]: Without dead ends: 116 [2019-01-12 14:56:08,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:56:08,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-01-12 14:56:08,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-01-12 14:56:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-01-12 14:56:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2019-01-12 14:56:08,549 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2019-01-12 14:56:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:08,550 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2019-01-12 14:56:08,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:56:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2019-01-12 14:56:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-12 14:56:08,551 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:08,551 INFO L402 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] [2019-01-12 14:56:08,552 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2019-01-12 14:56:08,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:08,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:08,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:08,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:08,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:08,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:56:08,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:56:08,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:56:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:56:08,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:56:08,918 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2019-01-12 14:56:09,359 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-12 14:56:09,574 WARN L181 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-12 14:56:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:10,141 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2019-01-12 14:56:10,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:56:10,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-01-12 14:56:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:10,146 INFO L225 Difference]: With dead ends: 437 [2019-01-12 14:56:10,146 INFO L226 Difference]: Without dead ends: 356 [2019-01-12 14:56:10,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:56:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-01-12 14:56:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2019-01-12 14:56:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-01-12 14:56:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2019-01-12 14:56:10,187 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2019-01-12 14:56:10,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:10,187 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2019-01-12 14:56:10,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:56:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2019-01-12 14:56:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-01-12 14:56:10,193 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:56:10,194 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:56:10,194 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:56:10,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:56:10,194 INFO L82 PathProgramCache]: Analyzing trace with hash 730179745, now seen corresponding path program 1 times [2019-01-12 14:56:10,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:56:10,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:56:10,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:10,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:10,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:56:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:10,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 14:56:10,419 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-12 14:56:10,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:56:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:56:10,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 14:56:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:56:10,665 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-12 14:56:10,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-01-12 14:56:10,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:56:10,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:56:10,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:56:10,667 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2019-01-12 14:56:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:56:11,575 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2019-01-12 14:56:11,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:56:11,576 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2019-01-12 14:56:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:56:11,577 INFO L225 Difference]: With dead ends: 321 [2019-01-12 14:56:11,577 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:56:11,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:56:11,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:56:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:56:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:56:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:56:11,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-01-12 14:56:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:56:11,580 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:56:11,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:56:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:56:11,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:56:11,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:56:11,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:11,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:56:12,250 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:56:13,350 WARN L181 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 47 DAG size of output: 21 [2019-01-12 14:56:13,865 WARN L181 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2019-01-12 14:56:14,136 WARN L181 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-01-12 14:56:14,404 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2019-01-12 14:56:14,585 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2019-01-12 14:56:14,971 WARN L181 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2019-01-12 14:56:15,135 WARN L181 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2019-01-12 14:56:15,278 WARN L181 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-01-12 14:56:15,512 WARN L181 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2019-01-12 14:56:15,528 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-01-12 14:56:15,529 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 729 733) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,529 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,529 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,529 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,530 INFO L448 ceAbstractionStarter]: For program point L796-3(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,530 INFO L448 ceAbstractionStarter]: For program point L796-4(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,530 INFO L448 ceAbstractionStarter]: For program point L796-5(lines 796 804) no Hoare annotation was computed. [2019-01-12 14:56:15,531 INFO L444 ceAbstractionStarter]: At program point L169(lines 760 766) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= ~pumpRunning~0 0)))) (and .cse2 (= ~switchedOnBeforeTS~0 1) .cse0 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2019-01-12 14:56:15,531 INFO L444 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-01-12 14:56:15,532 INFO L444 ceAbstractionStarter]: At program point L169-1(lines 760 766) the Hoare annotation is: false [2019-01-12 14:56:15,532 INFO L444 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse0 .cse1 .cse2 .cse3))) [2019-01-12 14:56:15,532 INFO L444 ceAbstractionStarter]: At program point L169-2(lines 760 766) the Hoare annotation is: false [2019-01-12 14:56:15,533 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-01-12 14:56:15,533 INFO L444 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-01-12 14:56:15,533 INFO L444 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-01-12 14:56:15,533 INFO L444 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-01-12 14:56:15,533 INFO L444 ceAbstractionStarter]: At program point L963(lines 948 966) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2019-01-12 14:56:15,534 INFO L444 ceAbstractionStarter]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2019-01-12 14:56:15,534 INFO L444 ceAbstractionStarter]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2019-01-12 14:56:15,534 INFO L451 ceAbstractionStarter]: At program point L666(lines 647 669) the Hoare annotation is: true [2019-01-12 14:56:15,534 INFO L444 ceAbstractionStarter]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,534 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse3)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,534 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,535 INFO L444 ceAbstractionStarter]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2019-01-12 14:56:15,535 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-01-12 14:56:15,535 INFO L444 ceAbstractionStarter]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2019-01-12 14:56:15,535 INFO L444 ceAbstractionStarter]: At program point L701-1(lines 701 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,535 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-01-12 14:56:15,535 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: false [2019-01-12 14:56:15,535 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,536 INFO L448 ceAbstractionStarter]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,537 INFO L448 ceAbstractionStarter]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,537 INFO L448 ceAbstractionStarter]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2019-01-12 14:56:15,537 INFO L444 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2019-01-12 14:56:15,537 INFO L444 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-01-12 14:56:15,537 INFO L444 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-01-12 14:56:15,537 INFO L448 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,537 INFO L448 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,537 INFO L448 ceAbstractionStarter]: For program point L675-2(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,538 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2019-01-12 14:56:15,538 INFO L444 ceAbstractionStarter]: At program point L180-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,538 INFO L448 ceAbstractionStarter]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2019-01-12 14:56:15,538 INFO L444 ceAbstractionStarter]: At program point L180-3(lines 1 1009) the Hoare annotation is: false [2019-01-12 14:56:15,538 INFO L448 ceAbstractionStarter]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2019-01-12 14:56:15,538 INFO L444 ceAbstractionStarter]: At program point L180-5(lines 1 1009) the Hoare annotation is: false [2019-01-12 14:56:15,538 INFO L444 ceAbstractionStarter]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,539 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-01-12 14:56:15,539 INFO L444 ceAbstractionStarter]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,539 INFO L444 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: false [2019-01-12 14:56:15,539 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-01-12 14:56:15,539 INFO L448 ceAbstractionStarter]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2019-01-12 14:56:15,539 INFO L448 ceAbstractionStarter]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2019-01-12 14:56:15,539 INFO L444 ceAbstractionStarter]: At program point L944(lines 929 947) the Hoare annotation is: false [2019-01-12 14:56:15,540 INFO L444 ceAbstractionStarter]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse0 .cse1 .cse2 .cse3))) [2019-01-12 14:56:15,540 INFO L444 ceAbstractionStarter]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2019-01-12 14:56:15,540 INFO L444 ceAbstractionStarter]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2019-01-12 14:56:15,540 INFO L444 ceAbstractionStarter]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2019-01-12 14:56:15,540 INFO L444 ceAbstractionStarter]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2019-01-12 14:56:15,540 INFO L448 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-01-12 14:56:15,540 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L185-2(lines 185 191) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L185-4(lines 185 191) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L444 ceAbstractionStarter]: At program point L880(lines 873 883) the Hoare annotation is: false [2019-01-12 14:56:15,541 INFO L448 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-01-12 14:56:15,541 INFO L444 ceAbstractionStarter]: At program point L880-1(lines 873 883) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,541 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 873 883) the Hoare annotation is: false [2019-01-12 14:56:15,542 INFO L444 ceAbstractionStarter]: At program point L880-3(lines 873 883) the Hoare annotation is: false [2019-01-12 14:56:15,542 INFO L444 ceAbstractionStarter]: At program point L880-4(lines 873 883) the Hoare annotation is: false [2019-01-12 14:56:15,542 INFO L444 ceAbstractionStarter]: At program point L880-5(lines 873 883) the Hoare annotation is: false [2019-01-12 14:56:15,542 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-01-12 14:56:15,542 INFO L448 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2019-01-12 14:56:15,542 INFO L444 ceAbstractionStarter]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse3)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-01-12 14:56:15,542 INFO L444 ceAbstractionStarter]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-01-12 14:56:15,543 INFO L444 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point L818-1(lines 818 835) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point L818-2(lines 818 835) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L444 ceAbstractionStarter]: At program point L159(lines 154 161) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,544 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 822 830) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L855-6(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,545 INFO L451 ceAbstractionStarter]: At program point L657-1(lines 657 664) the Hoare annotation is: true [2019-01-12 14:56:15,545 INFO L448 ceAbstractionStarter]: For program point L855-8(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,546 INFO L448 ceAbstractionStarter]: For program point L855-10(lines 855 861) no Hoare annotation was computed. [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889(lines 884 892) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse4 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= ~pumpRunning~0 0)))) (and .cse2 (= ~switchedOnBeforeTS~0 1) .cse0 .cse3 .cse4 .cse1) (and (<= 2 ~waterLevel~0) .cse2 .cse0 .cse3 .cse4 .cse1))) [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889-1(lines 884 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889-3(lines 884 892) the Hoare annotation is: false [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889-4(lines 884 892) the Hoare annotation is: false [2019-01-12 14:56:15,546 INFO L444 ceAbstractionStarter]: At program point L889-5(lines 884 892) the Hoare annotation is: false [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,547 INFO L448 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,548 INFO L448 ceAbstractionStarter]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L792-3(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L792-5(lines 792 809) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-01-12 14:56:15,549 INFO L444 ceAbstractionStarter]: At program point L760(lines 756 778) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse2)))) [2019-01-12 14:56:15,549 INFO L444 ceAbstractionStarter]: At program point L760-1(lines 756 778) the Hoare annotation is: false [2019-01-12 14:56:15,550 INFO L444 ceAbstractionStarter]: At program point L760-2(lines 756 778) the Hoare annotation is: false [2019-01-12 14:56:15,550 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-01-12 14:56:15,550 INFO L444 ceAbstractionStarter]: At program point L629(lines 625 631) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2019-01-12 14:56:15,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:56:15 BoogieIcfgContainer [2019-01-12 14:56:15,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:56:15,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:56:15,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:56:15,600 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:56:15,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:56:04" (3/4) ... [2019-01-12 14:56:15,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:56:15,647 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:56:15,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:56:15,650 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:56:15,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:56:15,654 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:56:15,655 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:56:15,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,694 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,695 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,697 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2019-01-12 14:56:15,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2019-01-12 14:56:15,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2019-01-12 14:56:15,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2019-01-12 14:56:15,701 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2019-01-12 14:56:15,703 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((0 == \result && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2019-01-12 14:56:15,837 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:56:15,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:56:15,840 INFO L168 Benchmark]: Toolchain (without parser) took 14146.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 952.7 MB in the beginning and 820.3 MB in the end (delta: 132.4 MB). Peak memory consumption was 352.1 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,842 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:56:15,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,843 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:56:15,843 INFO L168 Benchmark]: RCFGBuilder took 1575.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,845 INFO L168 Benchmark]: TraceAbstraction took 11414.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 835.4 MB in the end (delta: 228.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,845 INFO L168 Benchmark]: Witness Printer took 239.60 ms. Allocated memory is still 1.2 GB. Free memory was 835.4 MB in the beginning and 820.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:56:15,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 749.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1575.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.5 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11414.06 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 835.4 MB in the end (delta: 228.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 11.5 GB. * Witness Printer took 239.60 ms. Allocated memory is still 1.2 GB. Free memory was 835.4 MB in the beginning and 820.3 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((0 == \result && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. SAFE Result, 11.3s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1126 SDtfs, 1255 SDslu, 1479 SDs, 0 SdLazy, 247 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 712 HoareAnnotationTreeSize, 62 FomulaSimplifications, 41330 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6575 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31435 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...