./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_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_spec2_product54_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 5f4b0de905917a1846797fc2994ae6377b8a6114 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:47:17,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:47:17,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:47:17,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:47:17,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:47:17,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:47:17,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:47:17,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:47:17,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:47:17,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:47:17,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:47:17,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:47:17,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:47:17,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:47:17,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:47:17,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:47:17,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:47:17,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:47:17,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:47:17,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:47:17,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:47:17,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:47:17,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:47:17,845 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:47:17,846 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:47:17,847 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:47:17,847 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:47:17,852 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:47:17,852 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:47:17,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:47:17,854 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:47:17,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:47:17,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:47:17,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:47:17,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:47:17,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:47:17,860 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:47:17,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:47:17,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:47:17,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:47:17,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:47:17,891 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:47:17,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:47:17,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:47:17,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:47:17,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:47:17,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:47:17,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:47:17,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:47:17,894 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:47:17,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:47:17,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:47:17,895 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:47:17,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:47:17,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:47:17,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:47:17,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:47:17,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:47:17,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:47:17,896 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:47:17,896 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:47:17,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:47:17,896 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:47:17,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:47:17,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:47:17,900 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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-12-31 09:47:17,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:47:17,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:47:17,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:47:17,975 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:47:17,976 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:47:17,977 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-31 09:47:18,034 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00da08c9b/0a0e7ff769ed4905a89addd1c19709f1/FLAG1506c3977 [2018-12-31 09:47:18,546 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:47:18,547 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-31 09:47:18,561 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00da08c9b/0a0e7ff769ed4905a89addd1c19709f1/FLAG1506c3977 [2018-12-31 09:47:18,835 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00da08c9b/0a0e7ff769ed4905a89addd1c19709f1 [2018-12-31 09:47:18,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:47:18,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:47:18,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:47:18,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:47:18,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:47:18,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:47:18" (1/1) ... [2018-12-31 09:47:18,851 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 09:47:18, skipping insertion in model container [2018-12-31 09:47:18,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:47:18" (1/1) ... [2018-12-31 09:47:18,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:47:18,924 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:47:19,359 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:47:19,385 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:47:19,578 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:47:19,629 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:47:19,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19 WrapperNode [2018-12-31 09:47:19,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:47:19,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:47:19,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:47:19,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:47:19,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:47:19,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:47:19,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:47:19,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:47:19,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (1/1) ... [2018-12-31 09:47:19,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:47:19,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:47:19,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:47:19,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:47:19,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (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 09:47:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:47:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:47:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:47:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:47:21,611 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:47:21,611 INFO L280 CfgBuilder]: Removed 280 assue(true) statements. [2018-12-31 09:47:21,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:47:21 BoogieIcfgContainer [2018-12-31 09:47:21,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:47:21,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:47:21,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:47:21,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:47:21,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:47:18" (1/3) ... [2018-12-31 09:47:21,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3636e8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:47:21, skipping insertion in model container [2018-12-31 09:47:21,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:47:19" (2/3) ... [2018-12-31 09:47:21,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3636e8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:47:21, skipping insertion in model container [2018-12-31 09:47:21,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:47:21" (3/3) ... [2018-12-31 09:47:21,621 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-31 09:47:21,631 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:47:21,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:47:21,661 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:47:21,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:47:21,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:47:21,716 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:47:21,716 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:47:21,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:47:21,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:47:21,717 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:47:21,717 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:47:21,717 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:47:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2018-12-31 09:47:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:47:21,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:21,755 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:47:21,758 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:21,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:21,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1825990556, now seen corresponding path program 1 times [2018-12-31 09:47:21,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:21,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:21,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:21,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:21,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:22,058 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 09:47:22,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:22,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:47:22,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:47:22,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:47:22,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:47:22,083 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2018-12-31 09:47:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:22,130 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2018-12-31 09:47:22,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:47:22,137 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:47:22,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:22,159 INFO L225 Difference]: With dead ends: 379 [2018-12-31 09:47:22,160 INFO L226 Difference]: Without dead ends: 189 [2018-12-31 09:47:22,166 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 09:47:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-12-31 09:47:22,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-12-31 09:47:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-12-31 09:47:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2018-12-31 09:47:22,239 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2018-12-31 09:47:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:22,239 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2018-12-31 09:47:22,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:47:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2018-12-31 09:47:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:47:22,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:22,241 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 09:47:22,242 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:22,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:22,243 INFO L82 PathProgramCache]: Analyzing trace with hash -2044826525, now seen corresponding path program 1 times [2018-12-31 09:47:22,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:22,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:22,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:22,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:22,414 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 09:47:22,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:22,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:47:22,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:47:22,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:47:22,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:47:22,417 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2018-12-31 09:47:22,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:22,447 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2018-12-31 09:47:22,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:47:22,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:47:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:22,449 INFO L225 Difference]: With dead ends: 189 [2018-12-31 09:47:22,449 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 09:47:22,452 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 09:47:22,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 09:47:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 09:47:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:47:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2018-12-31 09:47:22,464 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2018-12-31 09:47:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:22,464 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2018-12-31 09:47:22,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:47:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2018-12-31 09:47:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:47:22,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:22,468 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] [2018-12-31 09:47:22,468 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:22,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2130030647, now seen corresponding path program 1 times [2018-12-31 09:47:22,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:22,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:22,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:22,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:22,615 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 09:47:22,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:22,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:47:22,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:22,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:22,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:22,618 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 5 states. [2018-12-31 09:47:22,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:22,762 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2018-12-31 09:47:22,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:47:22,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 09:47:22,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:22,770 INFO L225 Difference]: With dead ends: 139 [2018-12-31 09:47:22,770 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 09:47:22,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:47:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 09:47:22,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 09:47:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:47:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2018-12-31 09:47:22,789 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2018-12-31 09:47:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:22,789 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2018-12-31 09:47:22,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2018-12-31 09:47:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-31 09:47:22,793 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:22,793 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] [2018-12-31 09:47:22,793 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:22,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:22,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1328729652, now seen corresponding path program 1 times [2018-12-31 09:47:22,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:22,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:22,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:22,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:22,969 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 09:47:22,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:22,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:47:22,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:47:22,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:47:22,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:47:22,971 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2018-12-31 09:47:23,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:23,082 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2018-12-31 09:47:23,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:47:23,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-12-31 09:47:23,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:23,085 INFO L225 Difference]: With dead ends: 149 [2018-12-31 09:47:23,085 INFO L226 Difference]: Without dead ends: 83 [2018-12-31 09:47:23,086 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 09:47:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-31 09:47:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2018-12-31 09:47:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-31 09:47:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2018-12-31 09:47:23,097 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2018-12-31 09:47:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:23,097 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2018-12-31 09:47:23,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:47:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2018-12-31 09:47:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:47:23,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:23,100 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] [2018-12-31 09:47:23,101 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:23,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:23,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1714317344, now seen corresponding path program 1 times [2018-12-31 09:47:23,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:23,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:23,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:23,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:23,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:23,309 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 09:47:23,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:23,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:47:23,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:23,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:23,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:23,311 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2018-12-31 09:47:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:23,624 INFO L93 Difference]: Finished difference Result 385 states and 558 transitions. [2018-12-31 09:47:23,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:47:23,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:47:23,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:23,628 INFO L225 Difference]: With dead ends: 385 [2018-12-31 09:47:23,628 INFO L226 Difference]: Without dead ends: 311 [2018-12-31 09:47:23,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 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 09:47:23,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-12-31 09:47:23,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 147. [2018-12-31 09:47:23,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-31 09:47:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2018-12-31 09:47:23,654 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 33 [2018-12-31 09:47:23,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:23,654 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2018-12-31 09:47:23,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:23,655 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2018-12-31 09:47:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:47:23,657 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:23,658 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 09:47:23,658 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:23,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:23,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1709464728, now seen corresponding path program 1 times [2018-12-31 09:47:23,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:23,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:23,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:23,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:23,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:23,972 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 09:47:23,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:23,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:47:23,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:23,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:23,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:23,975 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand 5 states. [2018-12-31 09:47:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:25,085 INFO L93 Difference]: Finished difference Result 550 states and 785 transitions. [2018-12-31 09:47:25,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:47:25,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:47:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:25,090 INFO L225 Difference]: With dead ends: 550 [2018-12-31 09:47:25,090 INFO L226 Difference]: Without dead ends: 410 [2018-12-31 09:47:25,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:47:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-12-31 09:47:25,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 146. [2018-12-31 09:47:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-31 09:47:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 205 transitions. [2018-12-31 09:47:25,115 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 205 transitions. Word has length 34 [2018-12-31 09:47:25,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:25,117 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 205 transitions. [2018-12-31 09:47:25,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2018-12-31 09:47:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:47:25,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:25,119 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 09:47:25,119 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:25,120 INFO L82 PathProgramCache]: Analyzing trace with hash 776001019, now seen corresponding path program 1 times [2018-12-31 09:47:25,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:25,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:25,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:25,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:25,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:25,395 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 09:47:25,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:25,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:47:25,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:25,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:25,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:25,401 INFO L87 Difference]: Start difference. First operand 146 states and 205 transitions. Second operand 5 states. [2018-12-31 09:47:26,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:26,110 INFO L93 Difference]: Finished difference Result 381 states and 529 transitions. [2018-12-31 09:47:26,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:47:26,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:47:26,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:26,113 INFO L225 Difference]: With dead ends: 381 [2018-12-31 09:47:26,114 INFO L226 Difference]: Without dead ends: 242 [2018-12-31 09:47:26,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:47:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-12-31 09:47:26,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 164. [2018-12-31 09:47:26,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-12-31 09:47:26,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2018-12-31 09:47:26,136 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2018-12-31 09:47:26,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:26,136 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2018-12-31 09:47:26,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2018-12-31 09:47:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:47:26,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:26,139 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 09:47:26,140 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:26,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1477065597, now seen corresponding path program 1 times [2018-12-31 09:47:26,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:26,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:26,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:26,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:26,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:26,247 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 09:47:26,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:26,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:47:26,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:47:26,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:47:26,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:47:26,249 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 6 states. [2018-12-31 09:47:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:26,593 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2018-12-31 09:47:26,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:47:26,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-12-31 09:47:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:26,595 INFO L225 Difference]: With dead ends: 431 [2018-12-31 09:47:26,595 INFO L226 Difference]: Without dead ends: 274 [2018-12-31 09:47:26,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-31 09:47:26,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-12-31 09:47:26,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2018-12-31 09:47:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-31 09:47:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2018-12-31 09:47:26,626 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2018-12-31 09:47:26,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:26,626 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2018-12-31 09:47:26,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:47:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2018-12-31 09:47:26,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:47:26,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:26,630 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 09:47:26,630 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:26,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:26,630 INFO L82 PathProgramCache]: Analyzing trace with hash 890259583, now seen corresponding path program 1 times [2018-12-31 09:47:26,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:26,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:26,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:26,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:26,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:26,734 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 09:47:26,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:26,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:47:26,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:47:26,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:47:26,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:47:26,736 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2018-12-31 09:47:27,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:27,022 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2018-12-31 09:47:27,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:47:27,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:47:27,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:27,026 INFO L225 Difference]: With dead ends: 397 [2018-12-31 09:47:27,026 INFO L226 Difference]: Without dead ends: 228 [2018-12-31 09:47:27,026 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 09:47:27,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-31 09:47:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-12-31 09:47:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-31 09:47:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-12-31 09:47:27,061 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2018-12-31 09:47:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:27,062 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-12-31 09:47:27,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:47:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-12-31 09:47:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-31 09:47:27,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:27,064 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] [2018-12-31 09:47:27,064 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:27,065 INFO L82 PathProgramCache]: Analyzing trace with hash -505686593, now seen corresponding path program 1 times [2018-12-31 09:47:27,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:27,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:27,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:27,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:27,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:27,140 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 09:47:27,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:27,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:47:27,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:47:27,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:47:27,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:47:27,143 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2018-12-31 09:47:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:27,295 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2018-12-31 09:47:27,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:47:27,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2018-12-31 09:47:27,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:27,299 INFO L225 Difference]: With dead ends: 365 [2018-12-31 09:47:27,299 INFO L226 Difference]: Without dead ends: 363 [2018-12-31 09:47:27,300 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 09:47:27,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-12-31 09:47:27,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2018-12-31 09:47:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-12-31 09:47:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2018-12-31 09:47:27,336 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2018-12-31 09:47:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:27,337 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2018-12-31 09:47:27,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:47:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2018-12-31 09:47:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-31 09:47:27,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:27,339 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-31 09:47:27,339 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:27,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:27,339 INFO L82 PathProgramCache]: Analyzing trace with hash 680815253, now seen corresponding path program 1 times [2018-12-31 09:47:27,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:27,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:27,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:27,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:27,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:47:27,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:27,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:47:27,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:27,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:27,624 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 5 states. [2018-12-31 09:47:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:28,190 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2018-12-31 09:47:28,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:47:28,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-12-31 09:47:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:28,194 INFO L225 Difference]: With dead ends: 436 [2018-12-31 09:47:28,194 INFO L226 Difference]: Without dead ends: 213 [2018-12-31 09:47:28,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 09:47:28,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-12-31 09:47:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-12-31 09:47:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-31 09:47:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2018-12-31 09:47:28,224 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2018-12-31 09:47:28,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:28,227 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2018-12-31 09:47:28,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:28,227 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2018-12-31 09:47:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-31 09:47:28,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:28,228 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, 1, 1] [2018-12-31 09:47:28,231 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash 774803910, now seen corresponding path program 1 times [2018-12-31 09:47:28,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:28,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:28,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:28,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:28,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:47:28,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:28,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:47:28,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:47:28,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:47:28,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:47:28,598 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2018-12-31 09:47:29,418 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:47:30,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:30,432 INFO L93 Difference]: Finished difference Result 1167 states and 1537 transitions. [2018-12-31 09:47:30,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:47:30,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-31 09:47:30,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:30,439 INFO L225 Difference]: With dead ends: 1167 [2018-12-31 09:47:30,439 INFO L226 Difference]: Without dead ends: 1013 [2018-12-31 09:47:30,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:47:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2018-12-31 09:47:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 451. [2018-12-31 09:47:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-12-31 09:47:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 580 transitions. [2018-12-31 09:47:30,517 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 580 transitions. Word has length 63 [2018-12-31 09:47:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:30,517 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 580 transitions. [2018-12-31 09:47:30,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:47:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 580 transitions. [2018-12-31 09:47:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-31 09:47:30,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:30,520 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, 1, 1] [2018-12-31 09:47:30,520 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:30,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1032969348, now seen corresponding path program 1 times [2018-12-31 09:47:30,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:30,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:30,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:30,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:30,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-31 09:47:30,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:47:30,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:47:30,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:30,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:30,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:30,779 INFO L87 Difference]: Start difference. First operand 451 states and 580 transitions. Second operand 5 states. [2018-12-31 09:47:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:31,115 INFO L93 Difference]: Finished difference Result 872 states and 1117 transitions. [2018-12-31 09:47:31,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:47:31,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2018-12-31 09:47:31,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:31,117 INFO L225 Difference]: With dead ends: 872 [2018-12-31 09:47:31,117 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:47:31,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:47:31,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:47:31,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:47:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:47:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:47:31,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-12-31 09:47:31,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:31,121 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:47:31,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:47:31,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:47:31,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:47:31,462 WARN L181 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2018-12-31 09:47:31,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:31,759 WARN L181 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2018-12-31 09:47:31,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:31,970 WARN L181 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2018-12-31 09:47:31,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:31,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,167 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2018-12-31 09:47:32,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,346 WARN L181 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2018-12-31 09:47:32,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,578 WARN L181 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 118 [2018-12-31 09:47:32,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:32,815 WARN L181 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 116 [2018-12-31 09:47:32,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:33,041 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 120 [2018-12-31 09:47:34,759 WARN L181 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2018-12-31 09:47:35,701 WARN L181 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2018-12-31 09:47:35,888 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 18 [2018-12-31 09:47:36,783 WARN L181 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-12-31 09:47:36,921 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2018-12-31 09:47:37,293 WARN L181 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 33 [2018-12-31 09:47:37,973 WARN L181 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-12-31 09:47:38,226 WARN L181 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-12-31 09:47:38,819 WARN L181 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 26 [2018-12-31 09:47:39,474 WARN L181 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 27 [2018-12-31 09:47:40,192 WARN L181 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2018-12-31 09:47:40,336 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 18 [2018-12-31 09:47:40,342 INFO L444 ceAbstractionStarter]: At program point L993(lines 988 996) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:47:40,343 INFO L444 ceAbstractionStarter]: At program point L763(lines 756 766) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~pumpRunning~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,343 INFO L444 ceAbstractionStarter]: At program point L763-1(lines 756 766) the Hoare annotation is: false [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L444 ceAbstractionStarter]: At program point L763-2(lines 756 766) the Hoare annotation is: false [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697-2(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697-3(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697-4(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L448 ceAbstractionStarter]: For program point L697-5(lines 697 705) no Hoare annotation was computed. [2018-12-31 09:47:40,343 INFO L444 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L170-2(lines 170 180) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L170-4(lines 170 180) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L667-1(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,344 INFO L448 ceAbstractionStarter]: For program point L667-2(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-3(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-4(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-5(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-6(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-7(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-8(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-9(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-10(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L667-11(lines 667 684) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-12-31 09:47:40,345 INFO L448 ceAbstractionStarter]: For program point L866-3(lines 866 870) no Hoare annotation was computed. [2018-12-31 09:47:40,346 INFO L448 ceAbstractionStarter]: For program point L866-6(lines 866 870) no Hoare annotation was computed. [2018-12-31 09:47:40,346 INFO L444 ceAbstractionStarter]: At program point L635(lines 634 653) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 .cse3 .cse4) (and (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse3) .cse2 .cse4) (and (= ~methAndRunningLastTime~0 0) (and .cse0 .cse1 .cse3) .cse2 .cse4))) [2018-12-31 09:47:40,346 INFO L448 ceAbstractionStarter]: For program point L635-1(lines 635 641) no Hoare annotation was computed. [2018-12-31 09:47:40,346 INFO L444 ceAbstractionStarter]: At program point L635-2(lines 634 653) the Hoare annotation is: false [2018-12-31 09:47:40,346 INFO L444 ceAbstractionStarter]: At program point L635-3(lines 634 653) the Hoare annotation is: false [2018-12-31 09:47:40,346 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-31 09:47:40,346 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 635 641) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (not (= 0 ~pumpRunning~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) .cse3))) [2018-12-31 09:47:40,347 INFO L451 ceAbstractionStarter]: At program point L141(lines 122 144) the Hoare annotation is: true [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-1(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-2(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-3(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-4(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-5(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-6(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,347 INFO L448 ceAbstractionStarter]: For program point L671-7(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L671-8(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L671-9(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L671-10(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L671-11(lines 671 679) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L448 ceAbstractionStarter]: For program point L1002-2(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,348 INFO L444 ceAbstractionStarter]: At program point L903(lines 898 906) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~pumpRunning~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,348 INFO L444 ceAbstractionStarter]: At program point L903-1(lines 898 906) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (<= 1 ~waterLevel~0) .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse4 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) .cse3))) [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L903-3(lines 898 906) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L903-4(lines 898 906) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L903-5(lines 898 906) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L772(lines 767 775) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (<= 1 ~waterLevel~0)) (and .cse0 (= ~methAndRunningLastTime~0 0) (not (= 0 ~pumpRunning~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L772-1(lines 767 775) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L444 ceAbstractionStarter]: At program point L772-2(lines 767 775) the Hoare annotation is: false [2018-12-31 09:47:40,349 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L444 ceAbstractionStarter]: At program point L575-1(lines 575 581) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (= ~methAndRunningLastTime~0 0) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (<= 1 ~waterLevel~0) .cse3) (and (not (= 0 ~pumpRunning~0)) (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2) .cse3))) [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840-3(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840-5(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) .cse4) (and (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) (<= 1 ~waterLevel~0) .cse4) (and .cse1 (= ~methAndRunningLastTime~0 0) .cse0 .cse2 .cse3 .cse4))) [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840-6(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L444 ceAbstractionStarter]: At program point L642-1(lines 642 648) the Hoare annotation is: false [2018-12-31 09:47:40,350 INFO L448 ceAbstractionStarter]: For program point L840-8(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,350 INFO L444 ceAbstractionStarter]: At program point L642-2(lines 642 648) the Hoare annotation is: false [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-9(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-11(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-12(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-14(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-15(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L840-17(lines 840 844) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L943-1(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,351 INFO L448 ceAbstractionStarter]: For program point L943-2(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-3(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-4(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-5(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-6(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-7(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-8(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-9(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: false [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-10(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L448 ceAbstractionStarter]: For program point L943-11(lines 943 949) no Hoare annotation was computed. [2018-12-31 09:47:40,352 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2018-12-31 09:47:40,353 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 882) no Hoare annotation was computed. [2018-12-31 09:47:40,353 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:47:40,353 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846(lines 831 849) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~pumpRunning~0)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846-1(lines 831 849) the Hoare annotation is: false [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846-2(lines 831 849) the Hoare annotation is: false [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846-3(lines 831 849) the Hoare annotation is: false [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846-4(lines 831 849) the Hoare annotation is: false [2018-12-31 09:47:40,353 INFO L444 ceAbstractionStarter]: At program point L846-5(lines 831 849) the Hoare annotation is: false [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L155(lines 150 157) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,354 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-31 09:47:40,354 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 635 641) no Hoare annotation was computed. [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948-1(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948-2(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948-3(lines 939 952) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (and .cse0 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse2 .cse3 .cse4 .cse5) (<= 1 ~waterLevel~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948-4(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,354 INFO L444 ceAbstractionStarter]: At program point L948-5(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-6(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-7(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-8(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-9(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-10(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L948-11(lines 939 952) the Hoare annotation is: false [2018-12-31 09:47:40,355 INFO L444 ceAbstractionStarter]: At program point L585-1(lines 585 591) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (not (= 0 ~pumpRunning~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) .cse3))) [2018-12-31 09:47:40,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:47:40,355 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L444 ceAbstractionStarter]: At program point L985(lines 1 1005) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-5(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-8(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,356 INFO L448 ceAbstractionStarter]: For program point L821-9(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-11(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-12(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-14(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-15(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-17(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-18(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-20(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-21(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-23(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,357 INFO L448 ceAbstractionStarter]: For program point L821-24(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-26(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-27(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-29(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-30(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-32(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-33(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L821-35(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2018-12-31 09:47:40,358 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 894) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693-1(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693-3(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693-4(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L693-5(lines 693 710) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-31 09:47:40,359 INFO L451 ceAbstractionStarter]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958(lines 953 961) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~pumpRunning~0)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958-1(lines 953 961) the Hoare annotation is: false [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958-2(lines 953 961) the Hoare annotation is: false [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958-3(lines 953 961) the Hoare annotation is: false [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958-4(lines 953 961) the Hoare annotation is: false [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L958-5(lines 953 961) the Hoare annotation is: false [2018-12-31 09:47:40,360 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-12-31 09:47:40,360 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-31 09:47:40,360 INFO L444 ceAbstractionStarter]: At program point L166-1(lines 1 1005) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (= ~methAndRunningLastTime~0 0) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (<= 1 ~waterLevel~0) .cse3) (and (not (= 0 ~pumpRunning~0)) (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2) .cse3))) [2018-12-31 09:47:40,361 INFO L448 ceAbstractionStarter]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L166-3(lines 1 1005) the Hoare annotation is: false [2018-12-31 09:47:40,361 INFO L448 ceAbstractionStarter]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L166-5(lines 1 1005) the Hoare annotation is: false [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L827(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L827-1(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L827-2(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L827-3(lines 812 830) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse2 .cse3 .cse4 .cse5) (<= 1 ~waterLevel~0)) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2018-12-31 09:47:40,361 INFO L444 ceAbstractionStarter]: At program point L827-4(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-5(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-6(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-7(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-8(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-9(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-10(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,362 INFO L444 ceAbstractionStarter]: At program point L827-11(lines 812 830) the Hoare annotation is: false [2018-12-31 09:47:40,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:47:40 BoogieIcfgContainer [2018-12-31 09:47:40,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:47:40,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:47:40,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:47:40,417 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:47:40,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:47:21" (3/4) ... [2018-12-31 09:47:40,424 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:47:40,459 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:47:40,461 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-31 09:47:40,463 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:47:40,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 09:47:40,467 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:47:40,469 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:47:40,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:47:40,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methAndRunningLastTime == 0 && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((!(0 == pumpRunning) && 2 <= waterLevel) && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methAndRunningLastTime == 0 && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((!(0 == pumpRunning) && 2 <= waterLevel) && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,507 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && (splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) && methAndRunningLastTime == 0) && 1 <= waterLevel) && tmp == 1) [2018-12-31 09:47:40,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && (splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) && methAndRunningLastTime == 0) && 1 <= waterLevel) && tmp == 1) [2018-12-31 09:47:40,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1)) || (((methAndRunningLastTime == 0 && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) [2018-12-31 09:47:40,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && ((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1)) || (((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,513 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1)) || (((\result == 1 && 2 <= waterLevel) && ((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,516 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel) || ((((((\result == 1 && methAndRunningLastTime == 0) && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && !(0 == \result)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || ((((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2018-12-31 09:47:40,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && !(0 == pumpRunning)) && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,524 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp___0) && tmp == 0) && splverifierCounter == 0) && 1 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:47:40,674 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:47:40,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:47:40,676 INFO L168 Benchmark]: Toolchain (without parser) took 21837.14 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 386.4 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -250.3 MB). Peak memory consumption was 136.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,678 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 09:47:40,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:47:40,679 INFO L168 Benchmark]: Boogie Preprocessor took 64.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,679 INFO L168 Benchmark]: RCFGBuilder took 1827.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,679 INFO L168 Benchmark]: TraceAbstraction took 18803.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -179.5 MB). Peak memory consumption was 400.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,682 INFO L168 Benchmark]: Witness Printer took 257.65 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:40,685 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 788.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1827.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18803.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 243.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -179.5 MB). Peak memory consumption was 400.2 MB. Max. memory is 11.5 GB. * Witness Printer took 257.65 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: 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: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((((\result == 1 && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && (splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) && methAndRunningLastTime == 0) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((\result == 1 && !(0 == pumpRunning)) && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((\result == 1 && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && (splverifierCounter == 0 && pumpRunning == 0) && !(0 == systemActive)) && methAndRunningLastTime == 0) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: ((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1)) || (((\result == 1 && 2 <= waterLevel) && ((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel) || ((((((\result == 1 && methAndRunningLastTime == 0) && !(0 == pumpRunning)) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || ((((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((!(0 == pumpRunning) && 2 <= waterLevel) && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && !(0 == \result)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || ((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && !(0 == pumpRunning)) && 0 == \result) && 1 == tmp___0) && tmp == 0) && splverifierCounter == 0) && 1 == \result) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) || (((!(0 == pumpRunning) && 2 <= waterLevel) && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && ((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1)) || (((((\result == 1 && methAndRunningLastTime == 0) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((\result == 1 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1)) || (((methAndRunningLastTime == 0 && (\result == 1 && splverifierCounter == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((((\result == 1 && !(0 == pumpRunning)) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 193 locations, 3 error locations. SAFE Result, 18.6s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 9.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1597 SDtfs, 2241 SDslu, 2054 SDs, 0 SdLazy, 296 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=451occurred in iteration=12, 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1249 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 250 NumberOfFragments, 816 HoareAnnotationTreeSize, 68 FomulaSimplifications, 541097 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 68 FomulaSimplificationsInter, 157536 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 35328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 59/59 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...