./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8e2fe939766c7a542c760a74550866c5b83d51d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:51:29,696 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:51:29,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:51:29,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:51:29,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:51:29,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:51:29,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:51:29,721 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:51:29,724 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:51:29,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:51:29,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:51:29,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:51:29,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:51:29,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:51:29,733 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:51:29,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:51:29,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:51:29,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:51:29,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:51:29,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:51:29,742 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:51:29,744 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:51:29,746 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:51:29,747 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:51:29,747 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:51:29,748 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:51:29,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:51:29,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:51:29,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:51:29,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:51:29,753 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:51:29,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:51:29,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:51:29,754 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:51:29,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:51:29,756 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:51:29,757 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:51:29,775 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:51:29,775 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:51:29,776 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:51:29,777 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:51:29,777 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:51:29,778 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:51:29,778 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:51:29,778 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:51:29,778 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:51:29,778 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:51:29,778 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:51:29,779 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:51:29,779 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:51:29,779 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:51:29,779 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:51:29,779 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:51:29,781 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:51:29,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:51:29,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:51:29,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:51:29,782 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:51:29,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:51:29,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:51:29,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:51:29,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:51:29,783 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:51:29,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:51:29,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:51:29,784 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e2fe939766c7a542c760a74550866c5b83d51d [2018-12-31 09:51:29,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:51:29,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:51:29,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:51:29,868 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:51:29,868 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:51:29,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:29,937 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1900da37a/f751a3b217c24fa9816971a3d23eebae/FLAG441cfeecc [2018-12-31 09:51:30,501 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:51:30,502 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:30,530 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1900da37a/f751a3b217c24fa9816971a3d23eebae/FLAG441cfeecc [2018-12-31 09:51:30,794 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1900da37a/f751a3b217c24fa9816971a3d23eebae [2018-12-31 09:51:30,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:51:30,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:51:30,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:30,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:51:30,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:51:30,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:30" (1/1) ... [2018-12-31 09:51:30,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:30, skipping insertion in model container [2018-12-31 09:51:30,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:30" (1/1) ... [2018-12-31 09:51:30,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:51:30,888 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:51:31,285 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:31,305 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:51:31,399 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:31,528 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:51:31,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31 WrapperNode [2018-12-31 09:51:31,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:31,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:31,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:51:31,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:51:31,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:31,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:51:31,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:51:31,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:51:31,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (1/1) ... [2018-12-31 09:51:31,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:51:31,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:51:31,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:51:31,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:51:31,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (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 [2018-12-31 09:51:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:51:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:51:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:51:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:51:33,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:51:33,549 INFO L280 CfgBuilder]: Removed 208 assue(true) statements. [2018-12-31 09:51:33,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:33 BoogieIcfgContainer [2018-12-31 09:51:33,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:51:33,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:51:33,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:51:33,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:51:33,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:51:30" (1/3) ... [2018-12-31 09:51:33,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:33, skipping insertion in model container [2018-12-31 09:51:33,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:31" (2/3) ... [2018-12-31 09:51:33,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:33, skipping insertion in model container [2018-12-31 09:51:33,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:33" (3/3) ... [2018-12-31 09:51:33,565 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:33,573 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:51:33,580 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:51:33,597 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:51:33,631 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:51:33,632 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:51:33,632 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:51:33,632 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:51:33,633 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:51:33,633 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:51:33,633 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:51:33,633 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:51:33,633 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:51:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-12-31 09:51:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:51:33,661 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:33,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:33,665 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:33,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:33,671 INFO L82 PathProgramCache]: Analyzing trace with hash -2088069929, now seen corresponding path program 1 times [2018-12-31 09:51:33,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:33,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:33,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:33,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:33,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:33,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:33,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:33,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:51:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:51:33,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:51:33,998 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2018-12-31 09:51:34,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:34,038 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2018-12-31 09:51:34,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:51:34,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:51:34,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:34,055 INFO L225 Difference]: With dead ends: 281 [2018-12-31 09:51:34,055 INFO L226 Difference]: Without dead ends: 140 [2018-12-31 09:51:34,060 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 [2018-12-31 09:51:34,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-31 09:51:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-31 09:51:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-31 09:51:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2018-12-31 09:51:34,126 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2018-12-31 09:51:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:34,127 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2018-12-31 09:51:34,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:51:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2018-12-31 09:51:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:51:34,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:34,129 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] [2018-12-31 09:51:34,130 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:34,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:34,130 INFO L82 PathProgramCache]: Analyzing trace with hash -282050376, now seen corresponding path program 1 times [2018-12-31 09:51:34,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:34,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:34,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:34,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:34,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:34,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:51:34,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:34,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:34,352 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2018-12-31 09:51:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:34,393 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2018-12-31 09:51:34,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:34,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:51:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:34,396 INFO L225 Difference]: With dead ends: 140 [2018-12-31 09:51:34,396 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 09:51:34,397 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 [2018-12-31 09:51:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 09:51:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 09:51:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 09:51:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2018-12-31 09:51:34,406 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2018-12-31 09:51:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:34,406 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2018-12-31 09:51:34,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2018-12-31 09:51:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:51:34,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:34,408 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] [2018-12-31 09:51:34,408 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:34,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:34,408 INFO L82 PathProgramCache]: Analyzing trace with hash 699838073, now seen corresponding path program 1 times [2018-12-31 09:51:34,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:34,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:34,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:34,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:34,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:34,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:51:34,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:34,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:34,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:34,580 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2018-12-31 09:51:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:34,640 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2018-12-31 09:51:34,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:34,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:51:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:34,643 INFO L225 Difference]: With dead ends: 107 [2018-12-31 09:51:34,643 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 09:51:34,644 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 [2018-12-31 09:51:34,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 09:51:34,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 09:51:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 09:51:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2018-12-31 09:51:34,652 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2018-12-31 09:51:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:34,652 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2018-12-31 09:51:34,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2018-12-31 09:51:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-31 09:51:34,655 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:34,655 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] [2018-12-31 09:51:34,655 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:34,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:34,656 INFO L82 PathProgramCache]: Analyzing trace with hash -649900478, now seen corresponding path program 1 times [2018-12-31 09:51:34,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:34,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:34,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:34,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:34,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:34,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:34,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:34,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:34,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:34,750 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2018-12-31 09:51:34,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:34,862 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2018-12-31 09:51:34,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:34,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-31 09:51:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:34,863 INFO L225 Difference]: With dead ends: 131 [2018-12-31 09:51:34,864 INFO L226 Difference]: Without dead ends: 81 [2018-12-31 09:51:34,864 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 [2018-12-31 09:51:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-31 09:51:34,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2018-12-31 09:51:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-31 09:51:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2018-12-31 09:51:34,878 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2018-12-31 09:51:34,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:34,878 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2018-12-31 09:51:34,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2018-12-31 09:51:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:34,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:34,880 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] [2018-12-31 09:51:34,880 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:34,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:34,881 INFO L82 PathProgramCache]: Analyzing trace with hash 33266286, now seen corresponding path program 1 times [2018-12-31 09:51:34,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:34,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:34,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:34,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:35,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:35,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:51:35,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:35,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:35,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:35,059 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2018-12-31 09:51:35,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:35,630 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2018-12-31 09:51:35,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:35,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:51:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:35,633 INFO L225 Difference]: With dead ends: 266 [2018-12-31 09:51:35,633 INFO L226 Difference]: Without dead ends: 194 [2018-12-31 09:51:35,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:51:35,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-12-31 09:51:35,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2018-12-31 09:51:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-31 09:51:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2018-12-31 09:51:35,649 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2018-12-31 09:51:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:35,650 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2018-12-31 09:51:35,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2018-12-31 09:51:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:35,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:35,652 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:35,652 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:35,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:35,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1851586710, now seen corresponding path program 1 times [2018-12-31 09:51:35,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:35,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:35,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:35,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:35,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:35,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:35,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:51:35,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:35,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:35,932 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2018-12-31 09:51:36,317 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:51:36,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:36,502 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2018-12-31 09:51:36,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:51:36,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-31 09:51:36,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:36,504 INFO L225 Difference]: With dead ends: 198 [2018-12-31 09:51:36,505 INFO L226 Difference]: Without dead ends: 127 [2018-12-31 09:51:36,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:51:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-31 09:51:36,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2018-12-31 09:51:36,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-12-31 09:51:36,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2018-12-31 09:51:36,522 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2018-12-31 09:51:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:36,523 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2018-12-31 09:51:36,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2018-12-31 09:51:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:36,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:36,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:36,525 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:36,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:36,529 INFO L82 PathProgramCache]: Analyzing trace with hash 840469460, now seen corresponding path program 1 times [2018-12-31 09:51:36,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:36,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:36,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:36,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:36,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:36,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:51:36,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:36,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:36,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:36,826 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 5 states. [2018-12-31 09:51:37,123 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:51:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:37,421 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2018-12-31 09:51:37,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:51:37,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-31 09:51:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:37,423 INFO L225 Difference]: With dead ends: 215 [2018-12-31 09:51:37,423 INFO L226 Difference]: Without dead ends: 138 [2018-12-31 09:51:37,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:51:37,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-31 09:51:37,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2018-12-31 09:51:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-31 09:51:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2018-12-31 09:51:37,440 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2018-12-31 09:51:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:37,440 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2018-12-31 09:51:37,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2018-12-31 09:51:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:37,441 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:37,442 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:37,442 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:37,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash -180598894, now seen corresponding path program 1 times [2018-12-31 09:51:37,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:37,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:37,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:37,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:37,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:37,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:37,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:37,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:37,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:37,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:37,546 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2018-12-31 09:51:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:37,717 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2018-12-31 09:51:37,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:37,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-12-31 09:51:37,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:37,721 INFO L225 Difference]: With dead ends: 197 [2018-12-31 09:51:37,721 INFO L226 Difference]: Without dead ends: 116 [2018-12-31 09:51:37,722 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 [2018-12-31 09:51:37,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-31 09:51:37,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-31 09:51:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-31 09:51:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2018-12-31 09:51:37,742 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2018-12-31 09:51:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:37,742 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2018-12-31 09:51:37,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2018-12-31 09:51:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-31 09:51:37,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:37,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:37,744 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:37,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:37,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1355199058, now seen corresponding path program 1 times [2018-12-31 09:51:37,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:37,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:37,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:37,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:37,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:38,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:38,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:51:38,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:51:38,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:51:38,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:51:38,011 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2018-12-31 09:51:38,460 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-31 09:51:38,809 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:51:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:39,161 INFO L93 Difference]: Finished difference Result 437 states and 583 transitions. [2018-12-31 09:51:39,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:39,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-12-31 09:51:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:39,164 INFO L225 Difference]: With dead ends: 437 [2018-12-31 09:51:39,164 INFO L226 Difference]: Without dead ends: 356 [2018-12-31 09:51:39,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:39,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-12-31 09:51:39,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 161. [2018-12-31 09:51:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-31 09:51:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 207 transitions. [2018-12-31 09:51:39,195 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 207 transitions. Word has length 38 [2018-12-31 09:51:39,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:39,195 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 207 transitions. [2018-12-31 09:51:39,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:51:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2018-12-31 09:51:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-31 09:51:39,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:39,197 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:39,198 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:39,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:39,198 INFO L82 PathProgramCache]: Analyzing trace with hash 730179745, now seen corresponding path program 1 times [2018-12-31 09:51:39,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:39,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:39,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:39,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:39,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:39,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:51:39,471 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 [2018-12-31 09:51:39,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:39,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:51:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:39,754 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:51:39,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-31 09:51:39,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:51:39,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:51:39,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:51:39,755 INFO L87 Difference]: Start difference. First operand 161 states and 207 transitions. Second operand 8 states. [2018-12-31 09:51:40,431 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:51:40,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:40,905 INFO L93 Difference]: Finished difference Result 321 states and 429 transitions. [2018-12-31 09:51:40,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:51:40,908 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2018-12-31 09:51:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:40,908 INFO L225 Difference]: With dead ends: 321 [2018-12-31 09:51:40,908 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:51:40,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:51:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:51:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:51:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:51:40,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-31 09:51:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:40,910 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:51:40,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:51:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:51:40,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:51:40,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:51:40,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:40,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:41,590 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 09:51:42,944 WARN L181 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 47 DAG size of output: 21 [2018-12-31 09:51:43,165 WARN L181 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-31 09:51:44,279 WARN L181 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2018-12-31 09:51:44,527 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2018-12-31 09:51:44,829 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2018-12-31 09:51:45,191 WARN L181 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2018-12-31 09:51:45,344 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2018-12-31 09:51:45,518 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2018-12-31 09:51:45,732 WARN L181 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 22 [2018-12-31 09:51:45,765 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-12-31 09:51:45,766 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 729 733) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,766 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L448 ceAbstractionStarter]: For program point L796-3(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L448 ceAbstractionStarter]: For program point L796-4(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L448 ceAbstractionStarter]: For program point L796-5(lines 796 804) no Hoare annotation was computed. [2018-12-31 09:51:45,767 INFO L444 ceAbstractionStarter]: At program point L169(lines 760 766) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= ~pumpRunning~0 0)))) (and .cse2 (= ~switchedOnBeforeTS~0 1) .cse0 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2018-12-31 09:51:45,767 INFO L444 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L169-1(lines 760 766) the Hoare annotation is: false [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L169-2(lines 760 766) the Hoare annotation is: false [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2018-12-31 09:51:45,768 INFO L444 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2018-12-31 09:51:45,769 INFO L444 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2018-12-31 09:51:45,769 INFO L444 ceAbstractionStarter]: At program point L963(lines 948 966) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:45,769 INFO L444 ceAbstractionStarter]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2018-12-31 09:51:45,769 INFO L444 ceAbstractionStarter]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2018-12-31 09:51:45,769 INFO L451 ceAbstractionStarter]: At program point L666(lines 647 669) the Hoare annotation is: true [2018-12-31 09:51:45,769 INFO L444 ceAbstractionStarter]: At program point L998(lines 1 1009) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,770 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse3)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,770 INFO L444 ceAbstractionStarter]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2018-12-31 09:51:45,770 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-12-31 09:51:45,770 INFO L444 ceAbstractionStarter]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2018-12-31 09:51:45,770 INFO L444 ceAbstractionStarter]: At program point L701-1(lines 701 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: false [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,771 INFO L448 ceAbstractionStarter]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,772 INFO L448 ceAbstractionStarter]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2018-12-31 09:51:45,773 INFO L444 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:45,773 INFO L444 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2018-12-31 09:51:45,773 INFO L444 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2018-12-31 09:51:45,773 INFO L448 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,773 INFO L448 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,773 INFO L448 ceAbstractionStarter]: For program point L675-2(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,774 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2018-12-31 09:51:45,774 INFO L444 ceAbstractionStarter]: At program point L180-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,774 INFO L448 ceAbstractionStarter]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2018-12-31 09:51:45,774 INFO L444 ceAbstractionStarter]: At program point L180-3(lines 1 1009) the Hoare annotation is: false [2018-12-31 09:51:45,774 INFO L448 ceAbstractionStarter]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2018-12-31 09:51:45,774 INFO L444 ceAbstractionStarter]: At program point L180-5(lines 1 1009) the Hoare annotation is: false [2018-12-31 09:51:45,775 INFO L444 ceAbstractionStarter]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,775 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-12-31 09:51:45,775 INFO L444 ceAbstractionStarter]: At program point L711-1(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0)) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,775 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-12-31 09:51:45,775 INFO L444 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: false [2018-12-31 09:51:45,776 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-12-31 09:51:45,776 INFO L448 ceAbstractionStarter]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2018-12-31 09:51:45,776 INFO L448 ceAbstractionStarter]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2018-12-31 09:51:45,776 INFO L444 ceAbstractionStarter]: At program point L944(lines 929 947) the Hoare annotation is: false [2018-12-31 09:51:45,776 INFO L444 ceAbstractionStarter]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:45,776 INFO L444 ceAbstractionStarter]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2018-12-31 09:51:45,776 INFO L444 ceAbstractionStarter]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2018-12-31 09:51:45,777 INFO L444 ceAbstractionStarter]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2018-12-31 09:51:45,777 INFO L444 ceAbstractionStarter]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point L185-2(lines 185 191) no Hoare annotation was computed. [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point L185-4(lines 185 191) no Hoare annotation was computed. [2018-12-31 09:51:45,777 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2018-12-31 09:51:45,778 INFO L448 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2018-12-31 09:51:45,778 INFO L444 ceAbstractionStarter]: At program point L880(lines 873 883) the Hoare annotation is: false [2018-12-31 09:51:45,778 INFO L448 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2018-12-31 09:51:45,778 INFO L444 ceAbstractionStarter]: At program point L880-1(lines 873 883) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,778 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 873 883) the Hoare annotation is: false [2018-12-31 09:51:45,778 INFO L444 ceAbstractionStarter]: At program point L880-3(lines 873 883) the Hoare annotation is: false [2018-12-31 09:51:45,779 INFO L444 ceAbstractionStarter]: At program point L880-4(lines 873 883) the Hoare annotation is: false [2018-12-31 09:51:45,779 INFO L444 ceAbstractionStarter]: At program point L880-5(lines 873 883) the Hoare annotation is: false [2018-12-31 09:51:45,779 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-12-31 09:51:45,779 INFO L448 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2018-12-31 09:51:45,779 INFO L444 ceAbstractionStarter]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse3)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2018-12-31 09:51:45,780 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2018-12-31 09:51:45,780 INFO L444 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2018-12-31 09:51:45,781 INFO L444 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2018-12-31 09:51:45,781 INFO L444 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2018-12-31 09:51:45,781 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2018-12-31 09:51:45,781 INFO L448 ceAbstractionStarter]: For program point L818-1(lines 818 835) no Hoare annotation was computed. [2018-12-31 09:51:45,781 INFO L448 ceAbstractionStarter]: For program point L818-2(lines 818 835) no Hoare annotation was computed. [2018-12-31 09:51:45,781 INFO L444 ceAbstractionStarter]: At program point L159(lines 154 161) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 822 830) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,782 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-12-31 09:51:45,783 INFO L448 ceAbstractionStarter]: For program point L855-6(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,783 INFO L451 ceAbstractionStarter]: At program point L657-1(lines 657 664) the Hoare annotation is: true [2018-12-31 09:51:45,783 INFO L448 ceAbstractionStarter]: For program point L855-8(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,783 INFO L448 ceAbstractionStarter]: For program point L855-10(lines 855 861) no Hoare annotation was computed. [2018-12-31 09:51:45,783 INFO L444 ceAbstractionStarter]: At program point L889(lines 884 892) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse4 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= ~pumpRunning~0 0)))) (and .cse2 (= ~switchedOnBeforeTS~0 1) .cse0 .cse3 .cse4 .cse1) (and (<= 2 ~waterLevel~0) .cse2 .cse0 .cse3 .cse4 .cse1))) [2018-12-31 09:51:45,784 INFO L444 ceAbstractionStarter]: At program point L889-1(lines 884 892) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:45,784 INFO L444 ceAbstractionStarter]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2018-12-31 09:51:45,784 INFO L444 ceAbstractionStarter]: At program point L889-3(lines 884 892) the Hoare annotation is: false [2018-12-31 09:51:45,784 INFO L444 ceAbstractionStarter]: At program point L889-4(lines 884 892) the Hoare annotation is: false [2018-12-31 09:51:45,784 INFO L444 ceAbstractionStarter]: At program point L889-5(lines 884 892) the Hoare annotation is: false [2018-12-31 09:51:45,784 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-12-31 09:51:45,784 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,785 INFO L448 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-12-31 09:51:45,786 INFO L448 ceAbstractionStarter]: For program point L792-3(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,787 INFO L448 ceAbstractionStarter]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2018-12-31 09:51:45,787 INFO L448 ceAbstractionStarter]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,787 INFO L448 ceAbstractionStarter]: For program point L792-5(lines 792 809) no Hoare annotation was computed. [2018-12-31 09:51:45,787 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-12-31 09:51:45,787 INFO L444 ceAbstractionStarter]: At program point L760(lines 756 778) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse1 (and (and .cse0 (= ~pumpRunning~0 0)) .cse2)))) [2018-12-31 09:51:45,787 INFO L444 ceAbstractionStarter]: At program point L760-1(lines 756 778) the Hoare annotation is: false [2018-12-31 09:51:45,788 INFO L444 ceAbstractionStarter]: At program point L760-2(lines 756 778) the Hoare annotation is: false [2018-12-31 09:51:45,788 INFO L444 ceAbstractionStarter]: At program point L629(lines 625 631) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:45,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:45 BoogieIcfgContainer [2018-12-31 09:51:45,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:45,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:45,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:45,823 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:45,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:33" (3/4) ... [2018-12-31 09:51:45,828 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:45,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:45,855 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-31 09:51:45,858 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-31 09:51:45,859 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:45,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:45,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:45,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,900 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,901 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,903 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:45,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:45,909 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:45,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:45,910 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:45,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((0 == \result && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:46,047 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:46,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:46,048 INFO L168 Benchmark]: Toolchain (without parser) took 15246.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 950.0 MB in the beginning and 806.5 MB in the end (delta: 143.6 MB). Peak memory consumption was 358.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,050 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. [2018-12-31 09:51:46,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,051 INFO L168 Benchmark]: Boogie Preprocessor took 73.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,052 INFO L168 Benchmark]: RCFGBuilder took 1858.64 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,052 INFO L168 Benchmark]: TraceAbstraction took 12266.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 822.1 MB in the end (delta: 241.6 MB). Peak memory consumption was 312.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,053 INFO L168 Benchmark]: Witness Printer took 224.39 ms. Allocated memory is still 1.2 GB. Free memory was 822.1 MB in the beginning and 806.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:46,058 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 724.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -185.5 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.15 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.78 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1858.64 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12266.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 822.1 MB in the end (delta: 241.6 MB). Peak memory consumption was 312.4 MB. Max. memory is 11.5 GB. * Witness Printer took 224.39 ms. Allocated memory is still 1.2 GB. Free memory was 822.1 MB in the beginning and 806.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 675]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && systemActive == 1 && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((0 == \result && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. SAFE Result, 12.1s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1126 SDtfs, 1255 SDslu, 1479 SDs, 0 SdLazy, 247 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 406 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 712 HoareAnnotationTreeSize, 62 FomulaSimplifications, 41330 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6575 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31435 SizeOfPredicates, 4 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...