./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:54:14,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:54:14,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:54:14,782 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:54:14,782 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:54:14,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:54:14,784 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:54:14,786 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:54:14,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:54:14,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:54:14,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:54:14,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:54:14,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:54:14,795 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:54:14,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:54:14,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:54:14,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:54:14,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:54:14,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:54:14,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:54:14,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:54:14,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:54:14,821 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:54:14,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:54:14,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:54:14,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:54:14,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:54:14,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:54:14,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:54:14,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:54:14,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:54:14,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:54:14,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:54:14,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:54:14,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:54:14,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:54:14,838 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:54:14,865 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:54:14,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:54:14,866 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:54:14,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:54:14,867 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:54:14,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:54:14,867 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:54:14,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:54:14,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:54:14,869 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:54:14,870 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:54:14,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:54:14,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:54:14,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:54:14,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:54:14,870 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:54:14,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:14,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:54:14,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:54:14,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:54:14,873 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:54:14,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:54:14,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:54:14,873 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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2019-01-12 14:54:14,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:54:14,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:54:14,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:54:14,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:54:14,949 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:54:14,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:15,014 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516c4296/66379fe782a64061a4348850a0c78c09/FLAG0fdbf7e4f [2019-01-12 14:54:15,548 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:54:15,549 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:15,564 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516c4296/66379fe782a64061a4348850a0c78c09/FLAG0fdbf7e4f [2019-01-12 14:54:15,837 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0516c4296/66379fe782a64061a4348850a0c78c09 [2019-01-12 14:54:15,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:54:15,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:54:15,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:15,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:54:15,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:54:15,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:15" (1/1) ... [2019-01-12 14:54:15,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672937de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:15, skipping insertion in model container [2019-01-12 14:54:15,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:15" (1/1) ... [2019-01-12 14:54:15,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:54:15,911 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:54:16,273 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:16,287 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:54:16,375 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:16,505 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:54:16,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16 WrapperNode [2019-01-12 14:54:16,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:16,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:16,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:54:16,508 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:54:16,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:16,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:54:16,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:54:16,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:54:16,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... [2019-01-12 14:54:16,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:54:16,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:54:16,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:54:16,679 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:54:16,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:54:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:54:16,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:54:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:54:17,859 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:54:17,859 INFO L286 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-12 14:54:17,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:17 BoogieIcfgContainer [2019-01-12 14:54:17,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:54:17,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:54:17,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:54:17,865 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:54:17,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:54:15" (1/3) ... [2019-01-12 14:54:17,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3987780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:17, skipping insertion in model container [2019-01-12 14:54:17,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:16" (2/3) ... [2019-01-12 14:54:17,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3987780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:17, skipping insertion in model container [2019-01-12 14:54:17,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:17" (3/3) ... [2019-01-12 14:54:17,870 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:17,880 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:54:17,887 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:54:17,904 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:54:17,932 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:54:17,932 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:54:17,932 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:54:17,933 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:54:17,933 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:54:17,934 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:54:17,934 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:54:17,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:54:17,934 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:54:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-01-12 14:54:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:54:17,958 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:17,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:17,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:17,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:17,966 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-01-12 14:54:17,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:17,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:18,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:18,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:18,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:18,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:18,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:54:18,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:54:18,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:18,261 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-01-12 14:54:18,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:18,286 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-01-12 14:54:18,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:54:18,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:54:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:18,302 INFO L225 Difference]: With dead ends: 144 [2019-01-12 14:54:18,302 INFO L226 Difference]: Without dead ends: 71 [2019-01-12 14:54:18,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:18,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-12 14:54:18,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-12 14:54:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-12 14:54:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-01-12 14:54:18,351 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-01-12 14:54:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:18,352 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-12 14:54:18,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:54:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-01-12 14:54:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:54:18,353 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:18,353 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:18,354 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:18,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:18,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-01-12 14:54:18,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:18,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:18,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:18,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:18,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:18,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:18,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:18,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:18,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:18,506 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-01-12 14:54:18,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:18,530 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-01-12 14:54:18,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:18,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:54:18,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:18,532 INFO L225 Difference]: With dead ends: 71 [2019-01-12 14:54:18,533 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 14:54:18,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:18,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 14:54:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 14:54:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 14:54:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-01-12 14:54:18,540 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-01-12 14:54:18,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:18,541 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-01-12 14:54:18,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-01-12 14:54:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:54:18,543 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:18,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:18,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:18,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:18,544 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-01-12 14:54:18,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:18,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:18,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:18,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:18,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:18,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:54:18,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:54:18,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:54:18,968 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-01-12 14:54:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:19,086 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-01-12 14:54:19,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:19,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-12 14:54:19,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:19,092 INFO L225 Difference]: With dead ends: 60 [2019-01-12 14:54:19,092 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 14:54:19,093 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 [2019-01-12 14:54:19,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 14:54:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 14:54:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 14:54:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-01-12 14:54:19,101 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-01-12 14:54:19,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:19,102 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-01-12 14:54:19,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:54:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-01-12 14:54:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-12 14:54:19,103 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:19,104 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] [2019-01-12 14:54:19,104 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:19,104 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-01-12 14:54:19,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:19,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:19,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:19,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:19,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:19,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:19,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:54:19,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:54:19,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:54:19,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:54:19,283 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 8 states. [2019-01-12 14:54:19,748 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-12 14:54:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:20,446 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2019-01-12 14:54:20,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-12 14:54:20,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-12 14:54:20,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:20,453 INFO L225 Difference]: With dead ends: 196 [2019-01-12 14:54:20,453 INFO L226 Difference]: Without dead ends: 169 [2019-01-12 14:54:20,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-01-12 14:54:20,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-01-12 14:54:20,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-01-12 14:54:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-01-12 14:54:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2019-01-12 14:54:20,474 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2019-01-12 14:54:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:20,475 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2019-01-12 14:54:20,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:54:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2019-01-12 14:54:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:54:20,477 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:20,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:20,477 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:20,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:20,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1283837447, now seen corresponding path program 1 times [2019-01-12 14:54:20,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:20,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:20,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:20,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:20,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:20,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:20,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:20,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:20,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:20,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:20,583 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2019-01-12 14:54:20,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:20,655 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2019-01-12 14:54:20,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:20,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:54:20,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:20,657 INFO L225 Difference]: With dead ends: 132 [2019-01-12 14:54:20,657 INFO L226 Difference]: Without dead ends: 60 [2019-01-12 14:54:20,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:20,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-12 14:54:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-12 14:54:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-12 14:54:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-01-12 14:54:20,671 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-01-12 14:54:20,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:20,671 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-01-12 14:54:20,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-01-12 14:54:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-12 14:54:20,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:20,674 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] [2019-01-12 14:54:20,674 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:20,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:20,675 INFO L82 PathProgramCache]: Analyzing trace with hash -994505597, now seen corresponding path program 1 times [2019-01-12 14:54:20,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:20,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:20,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:20,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:20,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-12 14:54:20,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:20,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:54:20,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:20,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:20,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:20,833 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-01-12 14:54:20,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:20,943 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-01-12 14:54:20,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:20,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-01-12 14:54:20,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:20,944 INFO L225 Difference]: With dead ends: 118 [2019-01-12 14:54:20,945 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:54:20,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:20,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:54:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:54:20,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:54:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:54:20,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-01-12 14:54:20,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:20,947 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:54:20,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:54:20,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:54:20,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:54:20,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:20,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:20,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:21,287 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:54:21,563 WARN L181 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2019-01-12 14:54:21,941 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-12 14:54:22,063 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:54:22,262 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:54:22,265 INFO L444 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2019-01-12 14:54:22,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-01-12 14:54:22,266 INFO L448 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L286-3(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L286-5(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,267 INFO L448 ceAbstractionStarter]: For program point L286-6(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,268 INFO L448 ceAbstractionStarter]: For program point L286-8(lines 286 290) no Hoare annotation was computed. [2019-01-12 14:54:22,268 INFO L444 ceAbstractionStarter]: At program point L237(lines 232 240) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,268 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 232 240) the Hoare annotation is: false [2019-01-12 14:54:22,268 INFO L444 ceAbstractionStarter]: At program point L237-2(lines 232 240) the Hoare annotation is: false [2019-01-12 14:54:22,268 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-01-12 14:54:22,268 INFO L448 ceAbstractionStarter]: For program point L832-1(lines 134 140) no Hoare annotation was computed. [2019-01-12 14:54:22,269 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-01-12 14:54:22,269 INFO L444 ceAbstractionStarter]: At program point L73-1(lines 73 79) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,269 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-01-12 14:54:22,269 INFO L451 ceAbstractionStarter]: At program point L899-1(lines 899 906) the Hoare annotation is: true [2019-01-12 14:54:22,269 INFO L444 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,269 INFO L444 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L322(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:22,270 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L141(lines 141 147) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2019-01-12 14:54:22,270 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: false [2019-01-12 14:54:22,271 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-01-12 14:54:22,271 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,271 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,271 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,271 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,271 INFO L444 ceAbstractionStarter]: At program point L292(lines 277 295) the Hoare annotation is: false [2019-01-12 14:54:22,272 INFO L444 ceAbstractionStarter]: At program point L292-1(lines 277 295) the Hoare annotation is: false [2019-01-12 14:54:22,272 INFO L444 ceAbstractionStarter]: At program point L292-2(lines 277 295) the Hoare annotation is: false [2019-01-12 14:54:22,272 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:54:22,272 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-01-12 14:54:22,272 INFO L448 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-01-12 14:54:22,272 INFO L444 ceAbstractionStarter]: At program point L344-1(lines 1 911) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,272 INFO L448 ceAbstractionStarter]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2019-01-12 14:54:22,273 INFO L444 ceAbstractionStarter]: At program point L344-3(lines 1 911) the Hoare annotation is: false [2019-01-12 14:54:22,273 INFO L448 ceAbstractionStarter]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2019-01-12 14:54:22,273 INFO L444 ceAbstractionStarter]: At program point L344-5(lines 1 911) the Hoare annotation is: false [2019-01-12 14:54:22,273 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-01-12 14:54:22,273 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-01-12 14:54:22,273 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:54:22,273 INFO L451 ceAbstractionStarter]: At program point L908(lines 889 911) the Hoare annotation is: true [2019-01-12 14:54:22,274 INFO L444 ceAbstractionStarter]: At program point L330(lines 325 333) 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)) [2019-01-12 14:54:22,274 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-01-12 14:54:22,274 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 134 140) no Hoare annotation was computed. [2019-01-12 14:54:22,274 INFO L444 ceAbstractionStarter]: At program point L446(lines 441 449) the Hoare annotation is: false [2019-01-12 14:54:22,274 INFO L444 ceAbstractionStarter]: At program point L446-1(lines 441 449) the Hoare annotation is: false [2019-01-12 14:54:22,274 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-01-12 14:54:22,274 INFO L444 ceAbstractionStarter]: At program point L446-2(lines 441 449) the Hoare annotation is: false [2019-01-12 14:54:22,275 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-01-12 14:54:22,275 INFO L444 ceAbstractionStarter]: At program point L83-1(lines 83 89) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,275 INFO L444 ceAbstractionStarter]: At program point L876(lines 872 878) 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)) [2019-01-12 14:54:22,275 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-01-12 14:54:22,275 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2019-01-12 14:54:22,275 INFO L448 ceAbstractionStarter]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L448 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L444 ceAbstractionStarter]: At program point L134(lines 133 152) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2019-01-12 14:54:22,276 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2019-01-12 14:54:22,276 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2019-01-12 14:54:22,277 INFO L444 ceAbstractionStarter]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2019-01-12 14:54:22,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:54:22 BoogieIcfgContainer [2019-01-12 14:54:22,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:54:22,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:54:22,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:54:22,309 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:54:22,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:17" (3/4) ... [2019-01-12 14:54:22,314 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:54:22,331 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:54:22,332 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-01-12 14:54:22,333 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-01-12 14:54:22,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:54:22,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:54:22,336 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:54:22,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:54:22,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,366 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,368 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == \result) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive [2019-01-12 14:54:22,433 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:54:22,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:54:22,434 INFO L168 Benchmark]: Toolchain (without parser) took 6592.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 894.6 MB in the end (delta: 58.1 MB). Peak memory consumption was 190.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:22,435 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:22,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:22,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.10 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. [2019-01-12 14:54:22,437 INFO L168 Benchmark]: Boogie Preprocessor took 55.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:22,437 INFO L168 Benchmark]: RCFGBuilder took 1187.11 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:22,439 INFO L168 Benchmark]: TraceAbstraction took 4446.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.4 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:22,439 INFO L168 Benchmark]: Witness Printer took 125.38 ms. Allocated memory is still 1.2 GB. Free memory was 901.4 MB in the beginning and 894.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:22,442 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 663.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.10 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 55.94 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 1187.11 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4446.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.4 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. * Witness Printer took 125.38 ms. Allocated memory is still 1.2 GB. Free memory was 901.4 MB in the beginning and 894.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == \result) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. SAFE Result, 4.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 331 SDtfs, 568 SDslu, 415 SDs, 0 SdLazy, 116 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s 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, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s 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...