./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_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_product17_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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:49:20,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:20,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:20,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:20,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:20,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:20,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:20,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:20,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:20,836 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:20,836 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:20,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:20,838 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:20,839 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:20,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:20,841 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:20,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:20,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:20,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:20,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:20,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:20,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:20,854 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:20,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:20,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:20,855 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:20,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:20,858 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:20,858 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:20,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:20,860 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:20,861 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:20,861 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:20,861 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:20,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:20,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:20,864 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:20,879 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:20,879 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:20,880 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:20,880 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:20,880 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:20,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:20,881 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:20,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:20,884 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:20,884 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:20,884 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:20,884 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:20,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:20,884 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:20,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:20,885 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:20,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:20,885 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:20,885 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:20,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:20,887 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:20,887 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:20,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:20,888 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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-12-31 09:49:20,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:20,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:20,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:20,950 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:20,951 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:20,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:21,014 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e136e0e56/3b8afbc6771a482ea54ef332a02fae6b/FLAG5964cc90e [2018-12-31 09:49:21,533 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:21,534 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:21,547 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e136e0e56/3b8afbc6771a482ea54ef332a02fae6b/FLAG5964cc90e [2018-12-31 09:49:21,816 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e136e0e56/3b8afbc6771a482ea54ef332a02fae6b [2018-12-31 09:49:21,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:21,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:21,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:21,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:21,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:21,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:21" (1/1) ... [2018-12-31 09:49:21,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a60d693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:21, skipping insertion in model container [2018-12-31 09:49:21,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:21" (1/1) ... [2018-12-31 09:49:21,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:21,913 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:22,289 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:22,309 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:22,405 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:22,441 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:22,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22 WrapperNode [2018-12-31 09:49:22,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:22,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:22,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:22,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:22,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:22,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:22,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:22,598 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:22,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (1/1) ... [2018-12-31 09:49:22,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:22,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:22,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:22,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:22,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (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 09:49:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:23,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:23,889 INFO L280 CfgBuilder]: Removed 96 assue(true) statements. [2018-12-31 09:49:23,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:23 BoogieIcfgContainer [2018-12-31 09:49:23,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:23,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:23,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:23,895 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:23,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:21" (1/3) ... [2018-12-31 09:49:23,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e57ec0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:23, skipping insertion in model container [2018-12-31 09:49:23,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:22" (2/3) ... [2018-12-31 09:49:23,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e57ec0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:23, skipping insertion in model container [2018-12-31 09:49:23,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:23" (3/3) ... [2018-12-31 09:49:23,899 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:23,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:23,919 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:23,938 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:23,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:23,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:23,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:23,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:23,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:23,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:23,976 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:23,976 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:23,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-31 09:49:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:24,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:24,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:24,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:24,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:24,011 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2018-12-31 09:49:24,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:24,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:24,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:24,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:24,256 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 09:49:24,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:24,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:24,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:24,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:24,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:24,286 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-31 09:49:24,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:24,327 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2018-12-31 09:49:24,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:24,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:24,349 INFO L225 Difference]: With dead ends: 144 [2018-12-31 09:49:24,349 INFO L226 Difference]: Without dead ends: 71 [2018-12-31 09:49:24,353 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 09:49:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-31 09:49:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-31 09:49:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-31 09:49:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-12-31 09:49:24,405 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2018-12-31 09:49:24,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:24,406 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-12-31 09:49:24,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-12-31 09:49:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:24,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:24,408 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 09:49:24,409 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:24,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:24,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2018-12-31 09:49:24,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:24,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:24,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:24,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:24,631 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 09:49:24,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:24,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:24,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:24,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:24,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:24,635 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2018-12-31 09:49:24,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:24,660 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2018-12-31 09:49:24,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:24,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:24,662 INFO L225 Difference]: With dead ends: 71 [2018-12-31 09:49:24,662 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:49:24,664 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 09:49:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:49:24,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:49:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:49:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2018-12-31 09:49:24,670 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2018-12-31 09:49:24,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:24,671 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2018-12-31 09:49:24,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-31 09:49:24,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:24,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:24,674 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 09:49:24,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:24,675 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2018-12-31 09:49:24,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:24,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:24,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:24,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:24,917 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 09:49:24,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:24,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:24,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:49:24,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:49:24,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:49:24,919 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2018-12-31 09:49:25,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:25,095 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-12-31 09:49:25,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:25,097 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-31 09:49:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:25,098 INFO L225 Difference]: With dead ends: 60 [2018-12-31 09:49:25,098 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:49:25,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:25,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:49:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:49:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:49:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2018-12-31 09:49:25,105 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2018-12-31 09:49:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:25,105 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2018-12-31 09:49:25,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:49:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-12-31 09:49:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-31 09:49:25,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:25,107 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] [2018-12-31 09:49:25,107 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:25,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2018-12-31 09:49:25,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:25,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:25,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:25,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:25,478 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 09:49:25,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:25,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 09:49:25,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:49:25,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:49:25,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:25,480 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2018-12-31 09:49:27,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:27,110 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2018-12-31 09:49:27,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 09:49:27,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-31 09:49:27,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:27,114 INFO L225 Difference]: With dead ends: 196 [2018-12-31 09:49:27,114 INFO L226 Difference]: Without dead ends: 169 [2018-12-31 09:49:27,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-31 09:49:27,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-12-31 09:49:27,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2018-12-31 09:49:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-31 09:49:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2018-12-31 09:49:27,134 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2018-12-31 09:49:27,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:27,134 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2018-12-31 09:49:27,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:49:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2018-12-31 09:49:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:27,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:27,136 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 09:49:27,136 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:27,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:27,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2018-12-31 09:49:27,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:27,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:27,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:27,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:27,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:27,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:27,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:27,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:27,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:27,249 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2018-12-31 09:49:27,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:27,316 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2018-12-31 09:49:27,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:27,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:49:27,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:27,319 INFO L225 Difference]: With dead ends: 132 [2018-12-31 09:49:27,319 INFO L226 Difference]: Without dead ends: 60 [2018-12-31 09:49:27,320 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 09:49:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-31 09:49:27,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-31 09:49:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:49:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2018-12-31 09:49:27,340 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2018-12-31 09:49:27,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:27,342 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2018-12-31 09:49:27,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-31 09:49:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-31 09:49:27,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:27,345 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:27,346 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:27,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:27,346 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2018-12-31 09:49:27,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:27,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:27,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:27,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-31 09:49:27,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:27,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:27,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:27,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:27,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:27,577 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2018-12-31 09:49:27,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:27,687 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2018-12-31 09:49:27,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:27,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-31 09:49:27,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:27,688 INFO L225 Difference]: With dead ends: 118 [2018-12-31 09:49:27,689 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:27,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:27,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-12-31 09:49:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:27,691 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:27,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:27,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:27,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:27,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:27,991 WARN L181 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 09:49:28,220 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 09:49:28,413 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-12-31 09:49:28,682 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-12-31 09:49:28,682 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 295 301) no Hoare annotation was computed. [2018-12-31 09:49:28,682 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,683 INFO L451 ceAbstractionStarter]: At program point L168(lines 149 171) the Hoare annotation is: true [2018-12-31 09:49:28,683 INFO L444 ceAbstractionStarter]: At program point L515(lines 510 518) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,683 INFO L444 ceAbstractionStarter]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2018-12-31 09:49:28,683 INFO L444 ceAbstractionStarter]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2018-12-31 09:49:28,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:28,683 INFO L444 ceAbstractionStarter]: At program point L302(lines 302 308) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,685 INFO L444 ceAbstractionStarter]: At program point L302-1(lines 302 308) the Hoare annotation is: false [2018-12-31 09:49:28,685 INFO L444 ceAbstractionStarter]: At program point L302-2(lines 302 308) the Hoare annotation is: false [2018-12-31 09:49:28,685 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-31 09:49:28,685 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2018-12-31 09:49:28,686 INFO L444 ceAbstractionStarter]: At program point L435(lines 420 438) the Hoare annotation is: false [2018-12-31 09:49:28,686 INFO L448 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2018-12-31 09:49:28,687 INFO L444 ceAbstractionStarter]: At program point L435-1(lines 420 438) the Hoare annotation is: false [2018-12-31 09:49:28,687 INFO L444 ceAbstractionStarter]: At program point L435-2(lines 420 438) the Hoare annotation is: false [2018-12-31 09:49:28,687 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-12-31 09:49:28,687 INFO L444 ceAbstractionStarter]: At program point L204(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,687 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 237 243) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,687 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2018-12-31 09:49:28,690 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:28,690 INFO L444 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: false [2018-12-31 09:49:28,690 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 268) no Hoare annotation was computed. [2018-12-31 09:49:28,690 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,690 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2018-12-31 09:49:28,691 INFO L451 ceAbstractionStarter]: At program point L159-1(lines 159 166) the Hoare annotation is: true [2018-12-31 09:49:28,691 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:28,691 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,691 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,691 INFO L448 ceAbstractionStarter]: For program point L177-2(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,691 INFO L444 ceAbstractionStarter]: At program point L524(lines 519 527) the Hoare annotation is: false [2018-12-31 09:49:28,691 INFO L444 ceAbstractionStarter]: At program point L524-1(lines 519 527) the Hoare annotation is: false [2018-12-31 09:49:28,691 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 462) no Hoare annotation was computed. [2018-12-31 09:49:28,692 INFO L444 ceAbstractionStarter]: At program point L524-2(lines 519 527) the Hoare annotation is: false [2018-12-31 09:49:28,692 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2018-12-31 09:49:28,692 INFO L448 ceAbstractionStarter]: For program point L327-1(lines 327 344) no Hoare annotation was computed. [2018-12-31 09:49:28,692 INFO L448 ceAbstractionStarter]: For program point L327-2(lines 327 344) no Hoare annotation was computed. [2018-12-31 09:49:28,692 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2018-12-31 09:49:28,692 INFO L444 ceAbstractionStarter]: At program point L212(lines 207 215) 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 09:49:28,693 INFO L444 ceAbstractionStarter]: At program point L295(lines 294 313) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,693 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2018-12-31 09:49:28,694 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2018-12-31 09:49:28,694 INFO L444 ceAbstractionStarter]: At program point L295-2(lines 294 313) the Hoare annotation is: false [2018-12-31 09:49:28,694 INFO L444 ceAbstractionStarter]: At program point L295-3(lines 294 313) the Hoare annotation is: false [2018-12-31 09:49:28,694 INFO L444 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: false [2018-12-31 09:49:28,694 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-12-31 09:49:28,694 INFO L448 ceAbstractionStarter]: For program point L263-2(lines 295 301) no Hoare annotation was computed. [2018-12-31 09:49:28,694 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:28,695 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2018-12-31 09:49:28,695 INFO L444 ceAbstractionStarter]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,695 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-31 09:49:28,695 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point L429-5(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,696 INFO L448 ceAbstractionStarter]: For program point L429-8(lines 429 433) no Hoare annotation was computed. [2018-12-31 09:49:28,697 INFO L444 ceAbstractionStarter]: At program point L132(lines 128 134) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,697 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-12-31 09:49:28,697 INFO L444 ceAbstractionStarter]: At program point L380(lines 375 383) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,697 INFO L448 ceAbstractionStarter]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2018-12-31 09:49:28,697 INFO L444 ceAbstractionStarter]: At program point L380-1(lines 375 383) the Hoare annotation is: false [2018-12-31 09:49:28,697 INFO L444 ceAbstractionStarter]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2018-12-31 09:49:28,697 INFO L448 ceAbstractionStarter]: For program point L446-6(lines 446 450) no Hoare annotation was computed. [2018-12-31 09:49:28,697 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2018-12-31 09:49:28,699 INFO L448 ceAbstractionStarter]: For program point L331-1(lines 331 339) no Hoare annotation was computed. [2018-12-31 09:49:28,699 INFO L448 ceAbstractionStarter]: For program point L331-2(lines 331 339) no Hoare annotation was computed. [2018-12-31 09:49:28,699 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-31 09:49:28,699 INFO L444 ceAbstractionStarter]: At program point L51-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:28,699 INFO L448 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2018-12-31 09:49:28,699 INFO L444 ceAbstractionStarter]: At program point L51-3(lines 1 893) the Hoare annotation is: false [2018-12-31 09:49:28,699 INFO L448 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2018-12-31 09:49:28,700 INFO L444 ceAbstractionStarter]: At program point L51-5(lines 1 893) the Hoare annotation is: false [2018-12-31 09:49:28,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:28 BoogieIcfgContainer [2018-12-31 09:49:28,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:28,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:28,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:28,724 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:28,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:23" (3/4) ... [2018-12-31 09:49:28,737 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:28,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:28,756 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:28,757 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:28,758 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:28,759 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:28,759 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:28,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,794 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,797 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == \result) && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:49:28,880 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:28,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:28,882 INFO L168 Benchmark]: Toolchain (without parser) took 7061.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.4 MB in the beginning and 904.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,883 INFO L168 Benchmark]: CDTParser took 0.16 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 09:49:28,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -204.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,884 INFO L168 Benchmark]: Boogie Preprocessor took 38.61 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 09:49:28,884 INFO L168 Benchmark]: RCFGBuilder took 1254.13 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,884 INFO L168 Benchmark]: TraceAbstraction took 4832.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 166.0 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,886 INFO L168 Benchmark]: Witness Printer took 156.44 ms. Allocated memory is still 1.2 GB. Free memory was 910.8 MB in the beginning and 904.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:28,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 619.07 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.4 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 154.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 924.4 MB in the beginning and 1.1 GB in the end (delta: -204.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.61 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 1254.13 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4832.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.8 MB in the end (delta: 166.0 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. * Witness Printer took 156.44 ms. Allocated memory is still 1.2 GB. Free memory was 910.8 MB in the beginning and 904.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 177]: 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: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == \result) && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. SAFE Result, 4.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 331 SDtfs, 568 SDslu, 415 SDs, 0 SdLazy, 116 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 2038 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...