./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product60_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 21b7318e0534e2795ffc81aa5194a01e66c6f479 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:50:21,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:50:21,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:50:21,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:50:21,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:50:21,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:50:21,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:50:21,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:50:21,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:50:21,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:50:21,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:50:21,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:50:21,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:50:21,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:50:21,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:50:21,914 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:50:21,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:50:21,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:50:21,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:50:21,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:50:21,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:50:21,922 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:50:21,924 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:50:21,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:50:21,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:50:21,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:50:21,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:50:21,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:50:21,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:50:21,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:50:21,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:50:21,929 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:50:21,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:50:21,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:50:21,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:50:21,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:50:21,932 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:50:21,951 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:50:21,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:50:21,953 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:50:21,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:50:21,953 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:50:21,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:50:21,954 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:50:21,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:50:21,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:50:21,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:50:21,955 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:50:21,956 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:50:21,956 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:50:21,956 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:50:21,956 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:50:21,956 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:50:21,957 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:50:21,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:50:21,957 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:50:21,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:50:21,957 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:50:21,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:50:21,958 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:50:21,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:50:21,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:50:21,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:50:21,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:50:21,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:50:21,960 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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2019-01-12 14:50:22,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:50:22,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:50:22,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:50:22,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:50:22,041 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:50:22,042 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2019-01-12 14:50:22,108 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eeb94be2/6ab0a3d0a4cb4441babc995c875d5d7a/FLAG433e06ffe [2019-01-12 14:50:22,601 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:50:22,602 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2019-01-12 14:50:22,616 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eeb94be2/6ab0a3d0a4cb4441babc995c875d5d7a/FLAG433e06ffe [2019-01-12 14:50:22,929 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eeb94be2/6ab0a3d0a4cb4441babc995c875d5d7a [2019-01-12 14:50:22,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:50:22,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:50:22,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:50:22,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:50:22,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:50:22,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:50:22" (1/1) ... [2019-01-12 14:50:22,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7d791d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:22, skipping insertion in model container [2019-01-12 14:50:22,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:50:22" (1/1) ... [2019-01-12 14:50:22,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:50:23,009 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:50:23,407 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:50:23,430 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:50:23,608 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:50:23,644 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:50:23,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23 WrapperNode [2019-01-12 14:50:23,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:50:23,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:50:23,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:50:23,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:50:23,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:50:23,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:50:23,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:50:23,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:50:23,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... [2019-01-12 14:50:23,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:50:23,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:50:23,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:50:23,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:50:23,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:50:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:50:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:50:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:50:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:50:25,700 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:50:25,700 INFO L286 CfgBuilder]: Removed 198 assue(true) statements. [2019-01-12 14:50:25,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:50:25 BoogieIcfgContainer [2019-01-12 14:50:25,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:50:25,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:50:25,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:50:25,706 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:50:25,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:50:22" (1/3) ... [2019-01-12 14:50:25,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc5f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:50:25, skipping insertion in model container [2019-01-12 14:50:25,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:50:23" (2/3) ... [2019-01-12 14:50:25,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdc5f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:50:25, skipping insertion in model container [2019-01-12 14:50:25,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:50:25" (3/3) ... [2019-01-12 14:50:25,711 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2019-01-12 14:50:25,728 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:50:25,739 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:50:25,756 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:50:25,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:50:25,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:50:25,791 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:50:25,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:50:25,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:50:25,792 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:50:25,792 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:50:25,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:50:25,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:50:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-01-12 14:50:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:50:25,818 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:25,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:25,821 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:25,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:25,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2019-01-12 14:50:25,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:25,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:25,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:25,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:25,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:26,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:26,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:50:26,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:50:26,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:50:26,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:50:26,107 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-01-12 14:50:26,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:26,140 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-01-12 14:50:26,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:50:26,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:50:26,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:26,155 INFO L225 Difference]: With dead ends: 268 [2019-01-12 14:50:26,155 INFO L226 Difference]: Without dead ends: 133 [2019-01-12 14:50:26,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:50:26,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-01-12 14:50:26,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-01-12 14:50:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-01-12 14:50:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-01-12 14:50:26,213 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-01-12 14:50:26,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:26,214 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-01-12 14:50:26,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:50:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-01-12 14:50:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:50:26,215 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:26,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:26,217 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:26,217 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2019-01-12 14:50:26,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:26,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:26,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:26,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:50:26,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:50:26,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:50:26,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:26,392 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-01-12 14:50:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:26,433 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-01-12 14:50:26,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:50:26,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:50:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:26,437 INFO L225 Difference]: With dead ends: 133 [2019-01-12 14:50:26,437 INFO L226 Difference]: Without dead ends: 55 [2019-01-12 14:50:26,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-12 14:50:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-01-12 14:50:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-01-12 14:50:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-01-12 14:50:26,453 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-01-12 14:50:26,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:26,454 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-01-12 14:50:26,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:50:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-01-12 14:50:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:50:26,456 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:26,456 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] [2019-01-12 14:50:26,457 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2019-01-12 14:50:26,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:26,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:26,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:26,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:26,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:26,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:50:26,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:50:26,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:50:26,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:50:26,714 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2019-01-12 14:50:26,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:26,849 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2019-01-12 14:50:26,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:50:26,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-12 14:50:26,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:26,853 INFO L225 Difference]: With dead ends: 127 [2019-01-12 14:50:26,853 INFO L226 Difference]: Without dead ends: 78 [2019-01-12 14:50:26,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:50:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-01-12 14:50:26,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2019-01-12 14:50:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-01-12 14:50:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-01-12 14:50:26,881 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-01-12 14:50:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:26,881 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-01-12 14:50:26,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:50:26,881 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-01-12 14:50:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:50:26,887 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:26,887 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] [2019-01-12 14:50:26,887 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:26,888 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2019-01-12 14:50:26,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:26,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:26,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:26,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:26,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:26,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:50:26,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:50:26,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:50:26,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:26,999 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-01-12 14:50:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:27,133 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-01-12 14:50:27,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:50:27,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:50:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:27,136 INFO L225 Difference]: With dead ends: 163 [2019-01-12 14:50:27,136 INFO L226 Difference]: Without dead ends: 95 [2019-01-12 14:50:27,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:27,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-01-12 14:50:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-01-12 14:50:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-01-12 14:50:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-01-12 14:50:27,150 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-01-12 14:50:27,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:27,150 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-01-12 14:50:27,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:50:27,150 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-01-12 14:50:27,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:50:27,151 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:27,152 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] [2019-01-12 14:50:27,153 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:27,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:27,154 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2019-01-12 14:50:27,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:27,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:27,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:27,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:27,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:27,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:27,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:50:27,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:50:27,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:50:27,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:50:27,244 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-01-12 14:50:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:28,039 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2019-01-12 14:50:28,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-12 14:50:28,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-12 14:50:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:28,044 INFO L225 Difference]: With dead ends: 477 [2019-01-12 14:50:28,045 INFO L226 Difference]: Without dead ends: 390 [2019-01-12 14:50:28,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:50:28,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-01-12 14:50:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2019-01-12 14:50:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-12 14:50:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2019-01-12 14:50:28,080 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2019-01-12 14:50:28,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:28,080 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2019-01-12 14:50:28,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:50:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2019-01-12 14:50:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:50:28,083 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:28,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:28,084 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:28,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:28,085 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2019-01-12 14:50:28,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:28,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:28,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:28,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:28,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:28,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:28,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:50:28,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:50:28,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:50:28,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:50:28,423 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand 5 states. [2019-01-12 14:50:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:29,193 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2019-01-12 14:50:29,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:50:29,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-12 14:50:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:29,197 INFO L225 Difference]: With dead ends: 490 [2019-01-12 14:50:29,197 INFO L226 Difference]: Without dead ends: 488 [2019-01-12 14:50:29,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:50:29,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-01-12 14:50:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2019-01-12 14:50:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-01-12 14:50:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2019-01-12 14:50:29,229 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2019-01-12 14:50:29,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:29,230 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2019-01-12 14:50:29,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:50:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2019-01-12 14:50:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:50:29,232 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:29,233 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:29,233 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:29,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:29,234 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2019-01-12 14:50:29,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:29,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:29,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:29,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:29,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:29,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:29,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:50:29,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:50:29,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:50:29,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:50:29,398 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 5 states. [2019-01-12 14:50:29,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:29,741 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2019-01-12 14:50:29,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:50:29,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-01-12 14:50:29,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:29,744 INFO L225 Difference]: With dead ends: 500 [2019-01-12 14:50:29,745 INFO L226 Difference]: Without dead ends: 334 [2019-01-12 14:50:29,746 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 [2019-01-12 14:50:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-01-12 14:50:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2019-01-12 14:50:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-01-12 14:50:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2019-01-12 14:50:29,771 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2019-01-12 14:50:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:29,772 INFO L480 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2019-01-12 14:50:29,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:50:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2019-01-12 14:50:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:50:29,775 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:29,775 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:29,775 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:29,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:29,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2019-01-12 14:50:29,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:29,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:29,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:29,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:29,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:29,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:29,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:50:29,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:50:29,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:50:29,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:50:29,914 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand 6 states. [2019-01-12 14:50:30,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:30,275 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2019-01-12 14:50:30,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:50:30,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-01-12 14:50:30,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:30,279 INFO L225 Difference]: With dead ends: 534 [2019-01-12 14:50:30,279 INFO L226 Difference]: Without dead ends: 356 [2019-01-12 14:50:30,280 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 [2019-01-12 14:50:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-01-12 14:50:30,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2019-01-12 14:50:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-01-12 14:50:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2019-01-12 14:50:30,309 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2019-01-12 14:50:30,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:30,310 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2019-01-12 14:50:30,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:50:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2019-01-12 14:50:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:50:30,313 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:30,313 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:50:30,313 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:30,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:30,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2019-01-12 14:50:30,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:30,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:30,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:30,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:30,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:30,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:30,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:50:30,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:50:30,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:50:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:30,403 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand 3 states. [2019-01-12 14:50:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:30,629 INFO L93 Difference]: Finished difference Result 466 states and 630 transitions. [2019-01-12 14:50:30,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:50:30,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-01-12 14:50:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:30,633 INFO L225 Difference]: With dead ends: 466 [2019-01-12 14:50:30,634 INFO L226 Difference]: Without dead ends: 280 [2019-01-12 14:50:30,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:50:30,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-01-12 14:50:30,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-01-12 14:50:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-01-12 14:50:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 370 transitions. [2019-01-12 14:50:30,693 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 370 transitions. Word has length 34 [2019-01-12 14:50:30,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:30,693 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 370 transitions. [2019-01-12 14:50:30,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:50:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 370 transitions. [2019-01-12 14:50:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-12 14:50:30,696 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:30,696 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] [2019-01-12 14:50:30,698 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:30,698 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2019-01-12 14:50:30,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:30,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:30,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:30,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:30,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:31,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:31,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-12 14:50:31,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:50:31,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:50:31,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:50:31,316 INFO L87 Difference]: Start difference. First operand 280 states and 370 transitions. Second operand 8 states. [2019-01-12 14:50:32,416 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 14:50:32,693 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:50:32,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:32,942 INFO L93 Difference]: Finished difference Result 1008 states and 1334 transitions. [2019-01-12 14:50:32,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-12 14:50:32,942 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-01-12 14:50:32,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:32,949 INFO L225 Difference]: With dead ends: 1008 [2019-01-12 14:50:32,949 INFO L226 Difference]: Without dead ends: 734 [2019-01-12 14:50:32,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2019-01-12 14:50:32,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-01-12 14:50:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 280. [2019-01-12 14:50:32,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-01-12 14:50:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 363 transitions. [2019-01-12 14:50:32,997 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 363 transitions. Word has length 35 [2019-01-12 14:50:32,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:32,997 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 363 transitions. [2019-01-12 14:50:32,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:50:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 363 transitions. [2019-01-12 14:50:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-12 14:50:32,998 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:33,000 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-12 14:50:33,000 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:33,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2019-01-12 14:50:33,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:33,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:33,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:33,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:33,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:50:33,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:33,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:50:33,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:50:33,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:50:33,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:50:33,179 INFO L87 Difference]: Start difference. First operand 280 states and 363 transitions. Second operand 6 states. [2019-01-12 14:50:33,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:33,945 INFO L93 Difference]: Finished difference Result 1458 states and 1932 transitions. [2019-01-12 14:50:33,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-12 14:50:33,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-01-12 14:50:33,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:33,956 INFO L225 Difference]: With dead ends: 1458 [2019-01-12 14:50:33,958 INFO L226 Difference]: Without dead ends: 1272 [2019-01-12 14:50:33,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-01-12 14:50:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2019-01-12 14:50:34,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2019-01-12 14:50:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2019-01-12 14:50:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 712 transitions. [2019-01-12 14:50:34,079 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 712 transitions. Word has length 56 [2019-01-12 14:50:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:34,080 INFO L480 AbstractCegarLoop]: Abstraction has 548 states and 712 transitions. [2019-01-12 14:50:34,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:50:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 712 transitions. [2019-01-12 14:50:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-12 14:50:34,081 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:50:34,082 INFO L402 BasicCegarLoop]: trace histogram [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] [2019-01-12 14:50:34,083 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:50:34,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:50:34,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2019-01-12 14:50:34,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:50:34,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:50:34,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:34,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:50:34,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:50:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:50:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-01-12 14:50:34,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:50:34,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:50:34,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 14:50:34,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 14:50:34,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:50:34,198 INFO L87 Difference]: Start difference. First operand 548 states and 712 transitions. Second operand 7 states. [2019-01-12 14:50:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:50:34,395 INFO L93 Difference]: Finished difference Result 1114 states and 1447 transitions. [2019-01-12 14:50:34,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:50:34,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-01-12 14:50:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:50:34,397 INFO L225 Difference]: With dead ends: 1114 [2019-01-12 14:50:34,397 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:50:34,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:50:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:50:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:50:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:50:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:50:34,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-01-12 14:50:34,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:50:34,400 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:50:34,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 14:50:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:50:34,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:50:34,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:50:34,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,905 WARN L181 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 163 [2019-01-12 14:50:34,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:34,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,157 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 142 [2019-01-12 14:50:35,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,326 WARN L181 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 127 [2019-01-12 14:50:35,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,690 WARN L181 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 185 [2019-01-12 14:50:35,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,980 WARN L181 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 181 [2019-01-12 14:50:35,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:35,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,486 WARN L181 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 186 [2019-01-12 14:50:36,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,898 WARN L181 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 179 [2019-01-12 14:50:36,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:36,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,097 WARN L181 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 165 [2019-01-12 14:50:37,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,207 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 112 [2019-01-12 14:50:37,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:37,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:50:40,173 WARN L181 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2019-01-12 14:50:40,995 WARN L181 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 31 [2019-01-12 14:50:41,241 WARN L181 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2019-01-12 14:50:41,794 WARN L181 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 16 [2019-01-12 14:50:41,950 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-01-12 14:50:42,757 WARN L181 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 22 [2019-01-12 14:50:44,854 WARN L181 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2019-01-12 14:50:45,397 WARN L181 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 25 [2019-01-12 14:50:46,211 WARN L181 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 21 [2019-01-12 14:50:47,117 WARN L181 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 20 [2019-01-12 14:50:47,903 WARN L181 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 37 [2019-01-12 14:50:48,330 WARN L181 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 30 [2019-01-12 14:50:48,498 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L267-2(lines 267 273) no Hoare annotation was computed. [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L267-4(lines 267 273) no Hoare annotation was computed. [2019-01-12 14:50:48,529 INFO L444 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2019-01-12 14:50:48,529 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L831-6(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L831-8(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L448 ceAbstractionStarter]: For program point L831-10(lines 831 837) no Hoare annotation was computed. [2019-01-12 14:50:48,530 INFO L444 ceAbstractionStarter]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L865(lines 860 868) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L865-1(lines 860 868) the Hoare annotation is: false [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L865-2(lines 860 868) the Hoare annotation is: false [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L238(lines 229 242) the Hoare annotation is: false [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 229 242) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and (and .cse0 .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L238-2(lines 229 242) the Hoare annotation is: false [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L238-3(lines 229 242) the Hoare annotation is: false [2019-01-12 14:50:48,531 INFO L451 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-01-12 14:50:48,531 INFO L444 ceAbstractionStarter]: At program point L238-4(lines 229 242) the Hoare annotation is: false [2019-01-12 14:50:48,532 INFO L444 ceAbstractionStarter]: At program point L238-5(lines 229 242) the Hoare annotation is: false [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L768-2(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2019-01-12 14:50:48,532 INFO L448 ceAbstractionStarter]: For program point L768-3(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L768-4(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L768-5(lines 768 785) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L444 ceAbstractionStarter]: At program point L736(lines 735 754) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 .cse1 .cse2 (not (= 0 ~systemActive~0)) .cse3) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) .cse2) .cse3))) [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L444 ceAbstractionStarter]: At program point L736-2(lines 735 754) the Hoare annotation is: false [2019-01-12 14:50:48,533 INFO L444 ceAbstractionStarter]: At program point L736-3(lines 735 754) the Hoare annotation is: false [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L772-1(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,533 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-01-12 14:50:48,534 INFO L448 ceAbstractionStarter]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,534 INFO L444 ceAbstractionStarter]: At program point L706-1(lines 736 742) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0)) .cse2))) [2019-01-12 14:50:48,534 INFO L448 ceAbstractionStarter]: For program point L772-3(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,534 INFO L448 ceAbstractionStarter]: For program point L772-4(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,534 INFO L448 ceAbstractionStarter]: For program point L772-5(lines 772 780) no Hoare annotation was computed. [2019-01-12 14:50:48,534 INFO L444 ceAbstractionStarter]: At program point L939(lines 924 942) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:50:48,534 INFO L444 ceAbstractionStarter]: At program point L939-1(lines 924 942) the Hoare annotation is: false [2019-01-12 14:50:48,534 INFO L444 ceAbstractionStarter]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2019-01-12 14:50:48,535 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) .cse2) (and (and (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 (not (= 0 ~systemActive~0))) (<= 2 ~waterLevel~0)) .cse2))) [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L743-1(lines 743 749) the Hoare annotation is: false [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L743-2(lines 743 749) the Hoare annotation is: false [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L248(lines 243 251) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L248-1(lines 243 251) the Hoare annotation is: false [2019-01-12 14:50:48,535 INFO L444 ceAbstractionStarter]: At program point L248-2(lines 243 251) the Hoare annotation is: false [2019-01-12 14:50:48,535 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-01-12 14:50:48,536 INFO L444 ceAbstractionStarter]: At program point L678-1(lines 678 684) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and (and (not .cse0) (and .cse1 .cse2 .cse3) (not .cse4)) .cse5) .cse6) (and .cse5 (and .cse1 .cse0 .cse7 .cse2 .cse4 .cse3) .cse6) (and (and (and .cse1 .cse0 .cse2 .cse3 .cse8) .cse6) .cse5) (and (and .cse1 .cse0 .cse7 (<= 2 ~waterLevel~0) .cse2 .cse4 .cse8) .cse6))) [2019-01-12 14:50:48,536 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-01-12 14:50:48,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:50:48,536 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-01-12 14:50:48,536 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-01-12 14:50:48,536 INFO L444 ceAbstractionStarter]: At program point L947-1(lines 947 953) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:50:48,536 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,536 INFO L448 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-5(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-8(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-9(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-11(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-12(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-14(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-15(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,537 INFO L448 ceAbstractionStarter]: For program point L914-17(lines 914 918) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 736 742) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L651-1(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L651-2(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2019-01-12 14:50:48,538 INFO L444 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: false [2019-01-12 14:50:48,538 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:50:48,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,539 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-01-12 14:50:48,539 INFO L444 ceAbstractionStarter]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0)) .cse2))) [2019-01-12 14:50:48,539 INFO L444 ceAbstractionStarter]: At program point L193(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,539 INFO L444 ceAbstractionStarter]: At program point L193-1(lines 188 196) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (and .cse0 .cse2 .cse3 (not .cse1) .cse5 .cse6 (not .cse4) .cse7))) [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 188 196) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (and (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= 0 ~systemActive~0))) .cse6) (and .cse5 (and (not .cse1) (and .cse0 .cse2 .cse4 .cse6) (not .cse3))))) [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-3(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-4(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-5(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-6(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-7(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L193-8(lines 188 196) the Hoare annotation is: false [2019-01-12 14:50:48,540 INFO L444 ceAbstractionStarter]: At program point L920(lines 905 923) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L920-1(lines 905 923) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and (and .cse0 .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse4) (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) .cse1 .cse2 .cse3) (<= 1 ~waterLevel~0) .cse4))) [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L920-2(lines 905 923) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L920-3(lines 905 923) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L920-4(lines 905 923) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L920-5(lines 905 923) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L856(lines 849 859) the Hoare annotation is: false [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L856-1(lines 849 859) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse2 .cse3 (not .cse1) .cse5 .cse6 (not .cse4) .cse7))) [2019-01-12 14:50:48,541 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,541 INFO L444 ceAbstractionStarter]: At program point L856-2(lines 849 859) the Hoare annotation is: false [2019-01-12 14:50:48,542 INFO L444 ceAbstractionStarter]: At program point L856-3(lines 849 859) the Hoare annotation is: false [2019-01-12 14:50:48,542 INFO L444 ceAbstractionStarter]: At program point L856-4(lines 849 859) the Hoare annotation is: false [2019-01-12 14:50:48,542 INFO L444 ceAbstractionStarter]: At program point L856-5(lines 849 859) the Hoare annotation is: false [2019-01-12 14:50:48,542 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-01-12 14:50:48,542 INFO L451 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-01-12 14:50:48,542 INFO L444 ceAbstractionStarter]: At program point L989(lines 1 1000) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:50:48,542 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2019-01-12 14:50:48,542 INFO L444 ceAbstractionStarter]: At program point L263-1(lines 1 1000) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse7 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (and (and (and (not .cse2) (and .cse1 .cse4 .cse6) (not .cse5)) .cse0) .cse7) (and (and (and .cse1 .cse2 .cse4 .cse6 .cse8) .cse7) .cse0) (and (and .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse8) .cse7))) [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L263-2(lines 263 276) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L444 ceAbstractionStarter]: At program point L263-3(lines 1 1000) the Hoare annotation is: false [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L263-4(lines 263 276) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L444 ceAbstractionStarter]: At program point L263-5(lines 1 1000) the Hoare annotation is: false [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2019-01-12 14:50:48,543 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,544 INFO L448 ceAbstractionStarter]: For program point L233-1(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,544 INFO L448 ceAbstractionStarter]: For program point L233-2(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,544 INFO L448 ceAbstractionStarter]: For program point L233-3(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,544 INFO L448 ceAbstractionStarter]: For program point L233-4(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,544 INFO L448 ceAbstractionStarter]: For program point L233-5(lines 233 239) no Hoare annotation was computed. [2019-01-12 14:50:48,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:50:48 BoogieIcfgContainer [2019-01-12 14:50:48,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:50:48,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:50:48,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:50:48,592 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:50:48,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:50:25" (3/4) ... [2019-01-12 14:50:48,602 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:50:48,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:50:48,636 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:50:48,637 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:50:48,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:50:48,641 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:50:48,642 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:50:48,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:50:48,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:50:48,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= waterLevel && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && tmp == 1) || ((((!(0 == methaneLevelCritical) && (\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 1)) || ((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:50:48,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == methaneLevelCritical) && (\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 1) || ((1 <= waterLevel && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && tmp == 1)) || ((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:50:48,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:50:48,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:50:48,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) [2019-01-12 14:50:48,683 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || (((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) [2019-01-12 14:50:48,688 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && tmp == 1 [2019-01-12 14:50:48,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1)) || (1 <= waterLevel && (!(0 == methaneLevelCritical) && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && !(0 == \result)) [2019-01-12 14:50:48,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:50:48,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) || ((((((\result == 1 && !(0 == \result)) && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:50:48,691 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && tmp == 1 [2019-01-12 14:50:48,696 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && tmp == 0) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:50:48,698 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) || ((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) [2019-01-12 14:50:48,704 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && tmp == 1) [2019-01-12 14:50:48,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((!(0 == \result) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && tmp == 1) [2019-01-12 14:50:48,836 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:50:48,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:50:48,838 INFO L168 Benchmark]: Toolchain (without parser) took 25904.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 419.4 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,839 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:50:48,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:50:48,839 INFO L168 Benchmark]: Boogie Preprocessor took 80.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,840 INFO L168 Benchmark]: RCFGBuilder took 1829.73 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,842 INFO L168 Benchmark]: TraceAbstraction took 22889.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.7 MB). Peak memory consumption was 507.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,843 INFO L168 Benchmark]: Witness Printer took 243.95 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: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:50:48,847 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 709.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.31 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 80.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1829.73 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22889.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.7 MB). Peak memory consumption was 507.8 MB. Max. memory is 11.5 GB. * Witness Printer took 243.95 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: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 651]: 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: 1]: Loop Invariant Derived loop invariant: ((((1 <= waterLevel && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && tmp == 1) || ((((!(0 == methaneLevelCritical) && (\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 1)) || ((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((\result == 1 && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && tmp == 0) && !(0 == tmp___0)) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1)) || (1 <= waterLevel && (!(0 == methaneLevelCritical) && ((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && !(0 == \result)) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && tmp == 1) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((!(0 == \result) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == systemActive)) && !(0 == \result)) && tmp == 1) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || (((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) || ((((((\result == 1 && !(0 == \result)) && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((\result == 1 && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 1) || ((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((!(0 == methaneLevelCritical) && (\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 1) || ((1 <= waterLevel && ((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && tmp == 1)) || ((((((\result == 1 && 0 == methaneLevelCritical) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && 1 <= waterLevel)) || (((((((\result == 1 && 0 == methaneLevelCritical) && 0 == tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) || ((((((((0 == \result && \result == 1) && 0 == tmp___0) && !(0 == tmp)) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && !(0 == methaneLevelCritical)) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == \result)) && tmp == 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. SAFE Result, 22.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1515 SDtfs, 2583 SDslu, 2796 SDs, 0 SdLazy, 359 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=11, 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2032 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 842 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4799767 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 726700 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 23412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...