./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_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 87504a1abfe2d10f353d562b38ba2c6a9363e65c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:49:29,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:29,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:29,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:29,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:29,856 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:29,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:29,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:29,861 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:29,862 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:29,863 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:29,863 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:29,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:29,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:29,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:29,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:29,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:29,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:29,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:29,873 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:29,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:29,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:29,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:29,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:29,879 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:29,880 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:29,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:29,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:29,883 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:29,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:29,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:29,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:29,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:29,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:29,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:29,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:29,888 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:29,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:29,916 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:29,917 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:29,918 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:29,918 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:29,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:29,918 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:29,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:29,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:29,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:29,921 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:29,921 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:29,921 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:29,921 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:29,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:29,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:29,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:29,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:29,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:29,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:29,923 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:29,924 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:29,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:29,924 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 -> 87504a1abfe2d10f353d562b38ba2c6a9363e65c [2018-12-31 09:49:29,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:29,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:29,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:29,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:29,989 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:29,990 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:30,053 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828e962e6/66947caa636a4133b8bdf004331a9074/FLAGf6b34159e [2018-12-31 09:49:30,611 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:30,611 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:30,630 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828e962e6/66947caa636a4133b8bdf004331a9074/FLAGf6b34159e [2018-12-31 09:49:30,855 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/828e962e6/66947caa636a4133b8bdf004331a9074 [2018-12-31 09:49:30,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:30,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:30,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:30,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:30,869 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:30,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3041d37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30, skipping insertion in model container [2018-12-31 09:49:30,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:30,952 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:31,265 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:31,280 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:31,415 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:31,543 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:31,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31 WrapperNode [2018-12-31 09:49:31,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:31,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:31,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:31,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:31,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:31,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:31,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:31,633 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:31,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... [2018-12-31 09:49:31,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:31,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:31,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:31,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:31,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:33,258 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:33,259 INFO L280 CfgBuilder]: Removed 160 assue(true) statements. [2018-12-31 09:49:33,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:33 BoogieIcfgContainer [2018-12-31 09:49:33,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:33,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:33,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:33,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:33,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:30" (1/3) ... [2018-12-31 09:49:33,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6744cc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:33, skipping insertion in model container [2018-12-31 09:49:33,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:31" (2/3) ... [2018-12-31 09:49:33,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6744cc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:33, skipping insertion in model container [2018-12-31 09:49:33,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:33" (3/3) ... [2018-12-31 09:49:33,269 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:33,280 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:33,291 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:33,312 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:33,354 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:33,355 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:33,355 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:33,356 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:33,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:33,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:33,357 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:33,357 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:33,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-31 09:49:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:33,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:33,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:33,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:33,392 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2018-12-31 09:49:33,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:33,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:33,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:33,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:33,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:33,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:33,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:33,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:33,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:33,672 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-31 09:49:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:33,709 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2018-12-31 09:49:33,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:33,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:33,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:33,726 INFO L225 Difference]: With dead ends: 208 [2018-12-31 09:49:33,726 INFO L226 Difference]: Without dead ends: 103 [2018-12-31 09:49:33,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:33,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-31 09:49:33,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-31 09:49:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-31 09:49:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2018-12-31 09:49:33,792 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2018-12-31 09:49:33,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:33,793 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2018-12-31 09:49:33,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2018-12-31 09:49:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:33,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:33,795 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:33,795 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:33,796 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2018-12-31 09:49:33,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:33,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:33,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:33,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:34,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:34,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:34,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:34,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:34,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:34,051 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2018-12-31 09:49:34,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:34,084 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2018-12-31 09:49:34,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:34,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:34,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:34,089 INFO L225 Difference]: With dead ends: 103 [2018-12-31 09:49:34,089 INFO L226 Difference]: Without dead ends: 45 [2018-12-31 09:49:34,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-31 09:49:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-31 09:49:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-31 09:49:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2018-12-31 09:49:34,101 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2018-12-31 09:49:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:34,101 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2018-12-31 09:49:34,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-31 09:49:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:34,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:34,103 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] [2018-12-31 09:49:34,103 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:34,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:34,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2018-12-31 09:49:34,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:34,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:34,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:34,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:34,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:34,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:34,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:49:34,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:49:34,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:49:34,254 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2018-12-31 09:49:34,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:34,653 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2018-12-31 09:49:34,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:49:34,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-31 09:49:34,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:34,656 INFO L225 Difference]: With dead ends: 146 [2018-12-31 09:49:34,656 INFO L226 Difference]: Without dead ends: 107 [2018-12-31 09:49:34,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-31 09:49:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2018-12-31 09:49:34,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-31 09:49:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2018-12-31 09:49:34,687 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2018-12-31 09:49:34,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:34,687 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2018-12-31 09:49:34,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:49:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-12-31 09:49:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:34,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:34,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:34,689 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:34,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2018-12-31 09:49:34,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:34,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:34,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:34,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:34,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:34,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 09:49:34,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:49:34,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:49:34,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:34,875 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 8 states. [2018-12-31 09:49:36,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:36,079 INFO L93 Difference]: Finished difference Result 425 states and 651 transitions. [2018-12-31 09:49:36,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 09:49:36,080 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-12-31 09:49:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:36,083 INFO L225 Difference]: With dead ends: 425 [2018-12-31 09:49:36,083 INFO L226 Difference]: Without dead ends: 367 [2018-12-31 09:49:36,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-31 09:49:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-12-31 09:49:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 166. [2018-12-31 09:49:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-12-31 09:49:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2018-12-31 09:49:36,122 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2018-12-31 09:49:36,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:36,122 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2018-12-31 09:49:36,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:49:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2018-12-31 09:49:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:49:36,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:36,126 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] [2018-12-31 09:49:36,126 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:36,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:36,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2018-12-31 09:49:36,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:36,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:36,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:36,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:36,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:36,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:36,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:36,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:36,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:36,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:36,266 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand 3 states. [2018-12-31 09:49:36,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:36,390 INFO L93 Difference]: Finished difference Result 278 states and 406 transitions. [2018-12-31 09:49:36,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:36,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-31 09:49:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:36,392 INFO L225 Difference]: With dead ends: 278 [2018-12-31 09:49:36,392 INFO L226 Difference]: Without dead ends: 118 [2018-12-31 09:49:36,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-31 09:49:36,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-31 09:49:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-31 09:49:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2018-12-31 09:49:36,429 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 25 [2018-12-31 09:49:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:36,429 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2018-12-31 09:49:36,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2018-12-31 09:49:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-31 09:49:36,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:36,434 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:36,435 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:36,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:36,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2018-12-31 09:49:36,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:36,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:36,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:36,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:36,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-31 09:49:36,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:36,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:36,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:36,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:36,743 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand 5 states. [2018-12-31 09:49:36,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:36,992 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2018-12-31 09:49:36,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:36,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-12-31 09:49:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:36,994 INFO L225 Difference]: With dead ends: 242 [2018-12-31 09:49:36,994 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:36,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:36,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:36,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2018-12-31 09:49:36,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:36,999 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:36,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:36,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:37,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:37,676 WARN L181 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663-1(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663-2(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663-3(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663-4(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,788 INFO L448 ceAbstractionStarter]: For program point L663-5(lines 663 680) no Hoare annotation was computed. [2018-12-31 09:49:37,789 INFO L444 ceAbstractionStarter]: At program point L465(lines 460 468) the Hoare annotation is: false [2018-12-31 09:49:37,789 INFO L444 ceAbstractionStarter]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2018-12-31 09:49:37,789 INFO L444 ceAbstractionStarter]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2018-12-31 09:49:37,789 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2018-12-31 09:49:37,789 INFO L448 ceAbstractionStarter]: For program point L829-2(lines 829 835) no Hoare annotation was computed. [2018-12-31 09:49:37,789 INFO L448 ceAbstractionStarter]: For program point L829-4(lines 829 835) no Hoare annotation was computed. [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L631(lines 630 649) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,790 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2018-12-31 09:49:37,790 INFO L448 ceAbstractionStarter]: For program point L631-1(lines 631 637) no Hoare annotation was computed. [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L598-1(lines 631 637) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L631-2(lines 630 649) the Hoare annotation is: false [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L631-3(lines 630 649) the Hoare annotation is: false [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L797(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,790 INFO L444 ceAbstractionStarter]: At program point L797-1(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L733(lines 726 736) the Hoare annotation is: false [2018-12-31 09:49:37,793 INFO L444 ceAbstractionStarter]: At program point L733-1(lines 726 736) the Hoare annotation is: false [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L444 ceAbstractionStarter]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667-1(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667-2(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667-3(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667-4(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L448 ceAbstractionStarter]: For program point L667-5(lines 667 675) no Hoare annotation was computed. [2018-12-31 09:49:37,794 INFO L444 ceAbstractionStarter]: At program point L536(lines 1 937) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,795 INFO L451 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2018-12-31 09:49:37,795 INFO L444 ceAbstractionStarter]: At program point L902(lines 898 904) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2018-12-31 09:49:37,795 INFO L444 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,795 INFO L444 ceAbstractionStarter]: At program point L638-1(lines 638 644) the Hoare annotation is: false [2018-12-31 09:49:37,795 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2018-12-31 09:49:37,795 INFO L444 ceAbstractionStarter]: At program point L638-2(lines 638 644) the Hoare annotation is: false [2018-12-31 09:49:37,795 INFO L444 ceAbstractionStarter]: At program point L572-1(lines 572 578) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,796 INFO L444 ceAbstractionStarter]: At program point L506(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L444 ceAbstractionStarter]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 444) no Hoare annotation was computed. [2018-12-31 09:49:37,800 INFO L444 ceAbstractionStarter]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L444 ceAbstractionStarter]: At program point L506-3(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L444 ceAbstractionStarter]: At program point L506-4(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L444 ceAbstractionStarter]: At program point L506-5(lines 501 509) the Hoare annotation is: false [2018-12-31 09:49:37,800 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,801 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,802 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,802 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2018-12-31 09:49:37,802 INFO L444 ceAbstractionStarter]: At program point L805-1(lines 805 811) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,802 INFO L444 ceAbstractionStarter]: At program point L742(lines 737 745) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,802 INFO L444 ceAbstractionStarter]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2018-12-31 09:49:37,803 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2018-12-31 09:49:37,803 INFO L444 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: false [2018-12-31 09:49:37,803 INFO L444 ceAbstractionStarter]: At program point L544(lines 539 547) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,803 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,803 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,803 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,803 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2018-12-31 09:49:37,806 INFO L444 ceAbstractionStarter]: At program point L582-1(lines 582 588) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,806 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:37,806 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:49:37,806 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L444 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: false [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L689-1(lines 689 706) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L689-2(lines 689 706) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,807 INFO L448 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 432) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,808 INFO L448 ceAbstractionStarter]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,813 INFO L448 ceAbstractionStarter]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L448 ceAbstractionStarter]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L448 ceAbstractionStarter]: For program point L858-1(lines 631 637) no Hoare annotation was computed. [2018-12-31 09:49:37,819 INFO L444 ceAbstractionStarter]: At program point L825-1(lines 1 937) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 838) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L444 ceAbstractionStarter]: At program point L825-3(lines 1 937) the Hoare annotation is: false [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L825-4(lines 825 838) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L693-1(lines 693 701) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L444 ceAbstractionStarter]: At program point L825-5(lines 1 937) the Hoare annotation is: false [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-12-31 09:49:37,820 INFO L451 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2018-12-31 09:49:37,821 INFO L448 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2018-12-31 09:49:37,821 INFO L444 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:37,821 INFO L444 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2018-12-31 09:49:37,821 INFO L444 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2018-12-31 09:49:37,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:37 BoogieIcfgContainer [2018-12-31 09:49:37,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:37,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:37,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:37,842 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:37,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:33" (3/4) ... [2018-12-31 09:49:37,848 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:37,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:37,870 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:37,871 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:37,872 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:37,873 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:37,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:37,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:37,912 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2018-12-31 09:49:37,918 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:38,031 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:38,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:38,033 INFO L168 Benchmark]: Toolchain (without parser) took 7173.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.4 MB in the beginning and 839.7 MB in the end (delta: 111.7 MB). Peak memory consumption was 237.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,034 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:38,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,036 INFO L168 Benchmark]: Boogie Preprocessor took 46.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:38,037 INFO L168 Benchmark]: RCFGBuilder took 1579.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,039 INFO L168 Benchmark]: TraceAbstraction took 4581.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 853.3 MB in the end (delta: 191.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,039 INFO L168 Benchmark]: Witness Printer took 190.12 ms. Allocated memory is still 1.2 GB. Free memory was 853.3 MB in the beginning and 839.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:38,044 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 681.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1579.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4581.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 853.3 MB in the end (delta: 191.5 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. * Witness Printer took 190.12 ms. Allocated memory is still 1.2 GB. Free memory was 853.3 MB in the beginning and 839.7 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: (0 == \result && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. SAFE Result, 4.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 458 SDtfs, 879 SDslu, 951 SDs, 0 SdLazy, 159 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5859 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 9397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...