./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_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_product34_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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:55:24,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:55:24,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:55:24,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:55:24,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:55:24,669 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:55:24,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:55:24,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:55:24,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:55:24,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:55:24,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:55:24,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:55:24,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:55:24,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:55:24,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:55:24,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:55:24,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:55:24,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:55:24,687 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:55:24,689 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:55:24,690 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:55:24,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:55:24,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:55:24,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:55:24,695 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:55:24,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:55:24,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:55:24,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:55:24,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:55:24,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:55:24,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:55:24,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:55:24,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:55:24,703 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:55:24,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:55:24,705 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:55:24,706 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:55:24,730 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:55:24,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:55:24,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:55:24,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:55:24,737 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:55:24,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:55:24,737 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:55:24,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:55:24,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:55:24,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:55:24,739 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:55:24,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:55:24,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:55:24,740 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:55:24,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:55:24,740 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:55:24,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:55:24,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:55:24,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:55:24,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:55:24,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:55:24,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:55:24,742 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:55:24,742 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:55:24,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:55:24,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:55:24,742 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:55:24,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:55:24,745 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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2019-01-12 14:55:24,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:55:24,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:55:24,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:55:24,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:55:24,812 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:55:24,812 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:24,869 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6069094/f642c351d4554d61b3bc2f7bb6ae4327/FLAG45b7bb1b5 [2019-01-12 14:55:25,383 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:55:25,388 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:25,408 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6069094/f642c351d4554d61b3bc2f7bb6ae4327/FLAG45b7bb1b5 [2019-01-12 14:55:25,670 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b6069094/f642c351d4554d61b3bc2f7bb6ae4327 [2019-01-12 14:55:25,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:55:25,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:55:25,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:55:25,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:55:25,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:55:25,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:55:25" (1/1) ... [2019-01-12 14:55:25,686 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 02:55:25, skipping insertion in model container [2019-01-12 14:55:25,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:55:25" (1/1) ... [2019-01-12 14:55:25,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:55:25,739 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:55:26,123 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:55:26,145 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:55:26,242 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:55:26,354 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:55:26,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26 WrapperNode [2019-01-12 14:55:26,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:55:26,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:55:26,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:55:26,356 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:55:26,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:55:26,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:55:26,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:55:26,434 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:55:26,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (1/1) ... [2019-01-12 14:55:26,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:55:26,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:55:26,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:55:26,479 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:55:26,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (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 14:55:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:55:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:55:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:55:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:55:27,862 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:55:27,862 INFO L286 CfgBuilder]: Removed 112 assue(true) statements. [2019-01-12 14:55:27,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:27 BoogieIcfgContainer [2019-01-12 14:55:27,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:55:27,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:55:27,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:55:27,868 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:55:27,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:55:25" (1/3) ... [2019-01-12 14:55:27,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188d2b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:55:27, skipping insertion in model container [2019-01-12 14:55:27,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:26" (2/3) ... [2019-01-12 14:55:27,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188d2b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:55:27, skipping insertion in model container [2019-01-12 14:55:27,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:27" (3/3) ... [2019-01-12 14:55:27,871 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:27,881 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:55:27,890 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:55:27,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:55:27,941 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:55:27,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:55:27,942 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:55:27,942 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:55:27,943 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:55:27,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:55:27,943 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:55:27,944 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:55:27,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:55:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-01-12 14:55:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:55:27,967 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:27,968 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 14:55:27,970 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:27,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:27,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2019-01-12 14:55:27,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:27,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:28,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:28,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:28,262 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 14:55:28,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:28,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:28,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:55:28,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:55:28,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:55:28,281 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-01-12 14:55:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:28,311 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2019-01-12 14:55:28,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:55:28,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-01-12 14:55:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:28,325 INFO L225 Difference]: With dead ends: 167 [2019-01-12 14:55:28,326 INFO L226 Difference]: Without dead ends: 83 [2019-01-12 14:55:28,330 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 14:55:28,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-01-12 14:55:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-01-12 14:55:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-12 14:55:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-01-12 14:55:28,378 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2019-01-12 14:55:28,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:28,378 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-01-12 14:55:28,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:55:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-01-12 14:55:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 14:55:28,380 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:28,380 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 14:55:28,380 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2019-01-12 14:55:28,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:28,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:28,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:28,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:28,559 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 14:55:28,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:28,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:55:28,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:28,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:28,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:28,562 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2019-01-12 14:55:28,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:28,575 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-01-12 14:55:28,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:28,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-12 14:55:28,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:28,578 INFO L225 Difference]: With dead ends: 83 [2019-01-12 14:55:28,578 INFO L226 Difference]: Without dead ends: 38 [2019-01-12 14:55:28,580 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 14:55:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-01-12 14:55:28,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-01-12 14:55:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-01-12 14:55:28,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2019-01-12 14:55:28,587 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2019-01-12 14:55:28,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:28,588 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2019-01-12 14:55:28,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2019-01-12 14:55:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:55:28,590 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:28,590 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 14:55:28,590 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:28,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:28,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2019-01-12 14:55:28,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:28,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:28,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:28,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:28,847 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 14:55:28,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:28,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:55:28,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:28,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:28,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:28,849 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 5 states. [2019-01-12 14:55:28,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:28,952 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2019-01-12 14:55:28,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:55:28,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-12 14:55:28,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:28,954 INFO L225 Difference]: With dead ends: 69 [2019-01-12 14:55:28,954 INFO L226 Difference]: Without dead ends: 38 [2019-01-12 14:55:28,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:55:28,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-01-12 14:55:28,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-01-12 14:55:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-01-12 14:55:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-01-12 14:55:28,963 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2019-01-12 14:55:28,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:28,964 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-01-12 14:55:28,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-01-12 14:55:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-12 14:55:28,966 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:28,966 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] [2019-01-12 14:55:28,967 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:28,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:28,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2019-01-12 14:55:28,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:28,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:28,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:28,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:29,074 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 14:55:29,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:29,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:29,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:29,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:29,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:29,076 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2019-01-12 14:55:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:29,271 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2019-01-12 14:55:29,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:29,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-01-12 14:55:29,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:29,274 INFO L225 Difference]: With dead ends: 93 [2019-01-12 14:55:29,274 INFO L226 Difference]: Without dead ends: 62 [2019-01-12 14:55:29,275 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 14:55:29,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-12 14:55:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-01-12 14:55:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-12 14:55:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-01-12 14:55:29,295 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2019-01-12 14:55:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:29,296 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-01-12 14:55:29,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-01-12 14:55:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 14:55:29,298 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:29,298 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] [2019-01-12 14:55:29,298 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:29,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2019-01-12 14:55:29,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:29,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:29,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:29,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:29,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:29,431 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 14:55:29,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:29,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:55:29,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:29,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:29,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:29,434 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2019-01-12 14:55:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:29,591 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2019-01-12 14:55:29,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:55:29,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-01-12 14:55:29,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:29,593 INFO L225 Difference]: With dead ends: 157 [2019-01-12 14:55:29,593 INFO L226 Difference]: Without dead ends: 104 [2019-01-12 14:55:29,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:55:29,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-12 14:55:29,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2019-01-12 14:55:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-12 14:55:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2019-01-12 14:55:29,607 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2019-01-12 14:55:29,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:29,607 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2019-01-12 14:55:29,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2019-01-12 14:55:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 14:55:29,609 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:29,610 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] [2019-01-12 14:55:29,610 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:29,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:29,610 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2019-01-12 14:55:29,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:29,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:29,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:29,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:29,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:29,777 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 14:55:29,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:29,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:55:29,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:29,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:29,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:29,780 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2019-01-12 14:55:30,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:30,263 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2019-01-12 14:55:30,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:55:30,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-01-12 14:55:30,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:30,266 INFO L225 Difference]: With dead ends: 216 [2019-01-12 14:55:30,266 INFO L226 Difference]: Without dead ends: 160 [2019-01-12 14:55:30,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:55:30,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-12 14:55:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2019-01-12 14:55:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-12 14:55:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2019-01-12 14:55:30,301 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2019-01-12 14:55:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:30,301 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2019-01-12 14:55:30,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2019-01-12 14:55:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 14:55:30,302 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:30,303 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] [2019-01-12 14:55:30,306 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:30,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:30,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2019-01-12 14:55:30,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:30,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:30,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:30,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:30,485 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 14:55:30,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:30,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:55:30,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 14:55:30,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 14:55:30,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 14:55:30,487 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 4 states. [2019-01-12 14:55:30,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:30,749 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2019-01-12 14:55:30,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 14:55:30,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-01-12 14:55:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:30,752 INFO L225 Difference]: With dead ends: 143 [2019-01-12 14:55:30,752 INFO L226 Difference]: Without dead ends: 88 [2019-01-12 14:55:30,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:30,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-01-12 14:55:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2019-01-12 14:55:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-12 14:55:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2019-01-12 14:55:30,769 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2019-01-12 14:55:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:30,770 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2019-01-12 14:55:30,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 14:55:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-01-12 14:55:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-12 14:55:30,773 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:30,773 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] [2019-01-12 14:55:30,773 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:30,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:30,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2019-01-12 14:55:30,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:30,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:30,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:30,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:30,890 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 14:55:30,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:30,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:30,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:30,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:30,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:30,893 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2019-01-12 14:55:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:31,062 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2019-01-12 14:55:31,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:31,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-01-12 14:55:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:31,066 INFO L225 Difference]: With dead ends: 148 [2019-01-12 14:55:31,066 INFO L226 Difference]: Without dead ends: 91 [2019-01-12 14:55:31,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 14:55:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-01-12 14:55:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-01-12 14:55:31,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-01-12 14:55:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2019-01-12 14:55:31,091 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2019-01-12 14:55:31,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:31,092 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2019-01-12 14:55:31,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2019-01-12 14:55:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:55:31,095 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:31,095 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 14:55:31,096 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:31,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:31,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2019-01-12 14:55:31,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:31,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:31,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:31,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:31,713 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2019-01-12 14:55:31,717 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 14:55:31,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:31,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:55:31,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:55:31,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:55:31,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:55:31,718 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2019-01-12 14:55:32,195 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-12 14:55:32,567 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-12 14:55:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:32,920 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2019-01-12 14:55:32,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:55:32,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-01-12 14:55:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:32,926 INFO L225 Difference]: With dead ends: 327 [2019-01-12 14:55:32,927 INFO L226 Difference]: Without dead ends: 270 [2019-01-12 14:55:32,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:55:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-01-12 14:55:32,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2019-01-12 14:55:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-01-12 14:55:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2019-01-12 14:55:32,965 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2019-01-12 14:55:32,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:32,965 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2019-01-12 14:55:32,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:55:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2019-01-12 14:55:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-12 14:55:32,967 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:32,967 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] [2019-01-12 14:55:32,967 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:32,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:32,969 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2019-01-12 14:55:32,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:32,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:32,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:32,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:32,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:33,165 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 14:55:33,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 14:55:33,166 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 14:55:33,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:33,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 14:55:33,591 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 14:55:33,612 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-12 14:55:33,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-01-12 14:55:33,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-12 14:55:33,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-12 14:55:33,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-01-12 14:55:33,613 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 10 states. [2019-01-12 14:55:34,385 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-12 14:55:34,610 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-12 14:55:34,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:34,814 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2019-01-12 14:55:34,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:55:34,816 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2019-01-12 14:55:34,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:34,817 INFO L225 Difference]: With dead ends: 236 [2019-01-12 14:55:34,817 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:55:34,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-01-12 14:55:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:55:34,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:55:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:55:34,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:55:34,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-01-12 14:55:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:34,825 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:55:34,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-12 14:55:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:55:34,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:55:34,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:55:34,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:34,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:35,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:36,423 WARN L181 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-01-12 14:55:36,990 WARN L181 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2019-01-12 14:55:37,171 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2019-01-12 14:55:37,336 WARN L181 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-01-12 14:55:37,491 WARN L181 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2019-01-12 14:55:37,738 WARN L181 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2019-01-12 14:55:37,857 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-01-12 14:55:37,993 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2019-01-12 14:55:38,144 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2019-01-12 14:55:38,384 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2019-01-12 14:55:38,571 WARN L181 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2019-01-12 14:55:38,583 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2019-01-12 14:55:38,584 INFO L444 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse4 (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2019-01-12 14:55:38,584 INFO L444 ceAbstractionStarter]: At program point L647-1(lines 647 653) the Hoare annotation is: false [2019-01-12 14:55:38,584 INFO L444 ceAbstractionStarter]: At program point L647-2(lines 647 653) the Hoare annotation is: false [2019-01-12 14:55:38,584 INFO L444 ceAbstractionStarter]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse4 .cse5))) [2019-01-12 14:55:38,585 INFO L444 ceAbstractionStarter]: At program point L548-1(lines 539 552) the Hoare annotation is: false [2019-01-12 14:55:38,585 INFO L444 ceAbstractionStarter]: At program point L548-2(lines 539 552) the Hoare annotation is: false [2019-01-12 14:55:38,585 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:55:38,585 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-01-12 14:55:38,585 INFO L448 ceAbstractionStarter]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2019-01-12 14:55:38,585 INFO L444 ceAbstractionStarter]: At program point L780(lines 765 783) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-01-12 14:55:38,585 INFO L448 ceAbstractionStarter]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2019-01-12 14:55:38,585 INFO L444 ceAbstractionStarter]: At program point L780-1(lines 765 783) the Hoare annotation is: false [2019-01-12 14:55:38,586 INFO L444 ceAbstractionStarter]: At program point L780-2(lines 765 783) the Hoare annotation is: false [2019-01-12 14:55:38,586 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: false [2019-01-12 14:55:38,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,586 INFO L444 ceAbstractionStarter]: At program point L799(lines 794 801) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:38,586 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2019-01-12 14:55:38,587 INFO L444 ceAbstractionStarter]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and .cse0 .cse2 .cse4 (and (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse3 (= ~pumpRunning~0 0) .cse5)))) [2019-01-12 14:55:38,587 INFO L444 ceAbstractionStarter]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2019-01-12 14:55:38,587 INFO L444 ceAbstractionStarter]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2019-01-12 14:55:38,587 INFO L444 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:38,587 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-01-12 14:55:38,587 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:55:38,587 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2019-01-12 14:55:38,588 INFO L444 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2019-01-12 14:55:38,588 INFO L451 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2019-01-12 14:55:38,588 INFO L444 ceAbstractionStarter]: At program point L901(lines 897 903) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:38,588 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,588 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,589 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-01-12 14:55:38,589 INFO L444 ceAbstractionStarter]: At program point L605-2(lines 605 609) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2019-01-12 14:55:38,589 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2019-01-12 14:55:38,589 INFO L444 ceAbstractionStarter]: At program point L820-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2) .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2019-01-12 14:55:38,589 INFO L444 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: false [2019-01-12 14:55:38,589 INFO L448 ceAbstractionStarter]: For program point L820-2(lines 820 837) no Hoare annotation was computed. [2019-01-12 14:55:38,589 INFO L444 ceAbstractionStarter]: At program point L820-3(lines 1 937) the Hoare annotation is: false [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L820-4(lines 820 837) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L444 ceAbstractionStarter]: At program point L820-5(lines 1 937) the Hoare annotation is: false [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 494) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 672 689) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L672-2(lines 672 689) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:55:38,590 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-01-12 14:55:38,591 INFO L444 ceAbstractionStarter]: At program point L640(lines 636 658) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-01-12 14:55:38,591 INFO L444 ceAbstractionStarter]: At program point L640-1(lines 636 658) the Hoare annotation is: false [2019-01-12 14:55:38,591 INFO L444 ceAbstractionStarter]: At program point L640-2(lines 636 658) the Hoare annotation is: false [2019-01-12 14:55:38,591 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,591 INFO L448 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,591 INFO L448 ceAbstractionStarter]: For program point L774-3(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,591 INFO L448 ceAbstractionStarter]: For program point L774-5(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,591 INFO L448 ceAbstractionStarter]: For program point L774-6(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L774-8(lines 774 778) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L857-1(lines 857 861) no Hoare annotation was computed. [2019-01-12 14:55:38,592 INFO L448 ceAbstractionStarter]: For program point L824-2(lines 824 834) no Hoare annotation was computed. [2019-01-12 14:55:38,593 INFO L444 ceAbstractionStarter]: At program point L725(lines 720 728) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse6) (and .cse5 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) .cse6))) [2019-01-12 14:55:38,593 INFO L444 ceAbstractionStarter]: At program point L725-1(lines 720 728) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4) (and .cse3 (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse4)))) [2019-01-12 14:55:38,593 INFO L448 ceAbstractionStarter]: For program point L824-4(lines 824 834) no Hoare annotation was computed. [2019-01-12 14:55:38,593 INFO L444 ceAbstractionStarter]: At program point L725-2(lines 720 728) the Hoare annotation is: false [2019-01-12 14:55:38,593 INFO L444 ceAbstractionStarter]: At program point L725-3(lines 720 728) the Hoare annotation is: false [2019-01-12 14:55:38,593 INFO L444 ceAbstractionStarter]: At program point L725-4(lines 720 728) the Hoare annotation is: false [2019-01-12 14:55:38,594 INFO L444 ceAbstractionStarter]: At program point L725-5(lines 720 728) the Hoare annotation is: false [2019-01-12 14:55:38,594 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2019-01-12 14:55:38,594 INFO L448 ceAbstractionStarter]: For program point L676-1(lines 676 684) no Hoare annotation was computed. [2019-01-12 14:55:38,594 INFO L448 ceAbstractionStarter]: For program point L676-2(lines 676 684) no Hoare annotation was computed. [2019-01-12 14:55:38,594 INFO L444 ceAbstractionStarter]: At program point L65(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:38,594 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-01-12 14:55:38,594 INFO L444 ceAbstractionStarter]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 831) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L825-4(lines 825 831) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,595 INFO L448 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-01-12 14:55:38,596 INFO L444 ceAbstractionStarter]: At program point L809(lines 640 646) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-01-12 14:55:38,596 INFO L444 ceAbstractionStarter]: At program point L809-1(lines 640 646) the Hoare annotation is: false [2019-01-12 14:55:38,596 INFO L444 ceAbstractionStarter]: At program point L809-2(lines 640 646) the Hoare annotation is: false [2019-01-12 14:55:38,596 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-01-12 14:55:38,596 INFO L451 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2019-01-12 14:55:38,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:55:38 BoogieIcfgContainer [2019-01-12 14:55:38,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:55:38,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:55:38,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:55:38,626 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:55:38,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:27" (3/4) ... [2019-01-12 14:55:38,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:55:38,649 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:55:38,650 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-01-12 14:55:38,651 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-12 14:55:38,651 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:55:38,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:55:38,653 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:55:38,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:55:38,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:55:38,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:55:38,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 1 <= pumpRunning) && tmp <= 2) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) || (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result)) || ((1 <= pumpRunning && ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2019-01-12 14:55:38,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2019-01-12 14:55:38,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2019-01-12 14:55:38,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && ((((\result == 1 && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive))) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2019-01-12 14:55:38,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((((\result == 1 && 1 <= pumpRunning) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive))) || (((\result == 1 && tmp == 1) && waterLevel <= 2) && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && (((((\result == 1 && 0 == \result) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,693 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:55:38,770 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:55:38,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:55:38,772 INFO L168 Benchmark]: Toolchain (without parser) took 13097.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 952.7 MB in the beginning and 835.8 MB in the end (delta: 116.9 MB). Peak memory consumption was 331.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,772 INFO L168 Benchmark]: CDTParser took 0.15 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 14:55:38,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.30 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,774 INFO L168 Benchmark]: Boogie Preprocessor took 44.54 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 14:55:38,776 INFO L168 Benchmark]: RCFGBuilder took 1385.66 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,776 INFO L168 Benchmark]: TraceAbstraction took 10760.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 843.2 MB in the end (delta: 233.4 MB). Peak memory consumption was 299.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,776 INFO L168 Benchmark]: Witness Printer took 144.87 ms. Allocated memory is still 1.2 GB. Free memory was 843.2 MB in the beginning and 835.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:38,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 679.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.30 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.54 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 1385.66 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10760.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 843.2 MB in the end (delta: 233.4 MB). Peak memory consumption was 299.9 MB. Max. memory is 11.5 GB. * Witness Printer took 144.87 ms. Allocated memory is still 1.2 GB. Free memory was 843.2 MB in the beginning and 835.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 539]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((((\result == 1 && 1 <= pumpRunning) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive))) || (((\result == 1 && tmp == 1) && waterLevel <= 2) && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result)) || ((1 <= pumpRunning && ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && ((((\result == 1 && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive))) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && (((((\result == 1 && 0 == \result) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 1 <= pumpRunning) && tmp <= 2) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) || (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. SAFE Result, 10.6s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 763 SDtfs, 963 SDslu, 1025 SDs, 0 SdLazy, 186 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 303 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 98 NumberOfFragments, 859 HoareAnnotationTreeSize, 38 FomulaSimplifications, 25772 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 38 FomulaSimplificationsInter, 3106 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25349 SizeOfPredicates, 4 NumberOfNonLiveVariables, 400 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...