./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product18_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_product18_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 7139998cc0921a9b712bced77cbd2064338f38d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:49:21,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:21,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:22,005 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:22,005 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:22,006 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:22,008 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:22,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:22,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:22,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:22,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:22,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:22,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:22,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:22,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:22,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:22,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:22,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:22,022 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:22,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:22,024 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:22,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:22,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:22,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:22,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:22,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:22,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:22,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:22,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:22,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:22,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:22,037 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:22,037 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:22,038 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:22,039 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:22,039 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:22,043 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:22,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:22,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:22,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:22,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:22,073 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:22,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:22,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:22,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:22,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:22,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:22,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:22,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:22,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:22,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:22,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:22,077 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:22,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:22,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:22,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:22,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:22,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:22,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:22,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:22,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:22,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:22,081 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:22,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:22,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:22,082 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 -> 7139998cc0921a9b712bced77cbd2064338f38d5 [2018-12-31 09:49:22,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:22,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:22,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:22,174 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:22,174 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:22,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:22,233 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2425c0d8/6c24d5d164554731a0e543e255945119/FLAG7d52bddfe [2018-12-31 09:49:22,731 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:22,732 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:22,762 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2425c0d8/6c24d5d164554731a0e543e255945119/FLAG7d52bddfe [2018-12-31 09:49:23,030 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2425c0d8/6c24d5d164554731a0e543e255945119 [2018-12-31 09:49:23,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:23,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:23,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:23,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:23,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:23,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62297f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23, skipping insertion in model container [2018-12-31 09:49:23,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:23,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:23,505 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:23,527 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:23,694 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:23,742 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:23,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23 WrapperNode [2018-12-31 09:49:23,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:23,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:23,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:23,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:23,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,774 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:23,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:23,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:23,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:23,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... [2018-12-31 09:49:23,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:23,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:23,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:23,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:23,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:25,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:25,169 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-12-31 09:49:25,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:25 BoogieIcfgContainer [2018-12-31 09:49:25,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:25,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:25,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:25,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:25,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:23" (1/3) ... [2018-12-31 09:49:25,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca80e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:25, skipping insertion in model container [2018-12-31 09:49:25,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:23" (2/3) ... [2018-12-31 09:49:25,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca80e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:25, skipping insertion in model container [2018-12-31 09:49:25,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:25" (3/3) ... [2018-12-31 09:49:25,179 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:25,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:25,198 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:25,216 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:25,251 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:25,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:25,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:25,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:25,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:25,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:25,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:25,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:25,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-31 09:49:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:25,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:25,278 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:25,280 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:25,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:25,286 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2018-12-31 09:49:25,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:25,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:25,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:25,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:25,552 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 09:49:25,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:25,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:25,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:25,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:25,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:25,573 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-31 09:49:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:25,600 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2018-12-31 09:49:25,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:25,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:25,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:25,615 INFO L225 Difference]: With dead ends: 144 [2018-12-31 09:49:25,615 INFO L226 Difference]: Without dead ends: 71 [2018-12-31 09:49:25,619 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 09:49:25,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-31 09:49:25,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-31 09:49:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-31 09:49:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-12-31 09:49:25,667 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2018-12-31 09:49:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:25,667 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-12-31 09:49:25,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-12-31 09:49:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:25,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:25,669 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 09:49:25,670 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:25,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:25,670 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2018-12-31 09:49:25,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:25,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:25,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:25,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:25,787 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 09:49:25,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:25,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:25,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:25,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:25,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:25,791 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2018-12-31 09:49:25,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:25,816 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2018-12-31 09:49:25,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:25,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:25,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:25,819 INFO L225 Difference]: With dead ends: 71 [2018-12-31 09:49:25,819 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:49:25,821 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 09:49:25,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:49:25,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:49:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:49:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2018-12-31 09:49:25,830 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2018-12-31 09:49:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:25,831 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2018-12-31 09:49:25,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-31 09:49:25,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:25,832 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:25,833 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 09:49:25,833 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:25,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2018-12-31 09:49:25,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:25,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:25,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:25,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:26,000 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 09:49:26,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:26,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:26,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:26,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:26,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:26,003 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2018-12-31 09:49:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:26,055 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-12-31 09:49:26,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:26,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:49:26,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:26,058 INFO L225 Difference]: With dead ends: 60 [2018-12-31 09:49:26,058 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:49:26,058 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 09:49:26,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:49:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:49:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:49:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2018-12-31 09:49:26,064 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2018-12-31 09:49:26,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:26,065 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2018-12-31 09:49:26,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-12-31 09:49:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-31 09:49:26,066 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:26,066 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 09:49:26,066 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2018-12-31 09:49:26,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:26,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:26,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:26,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:26,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:26,256 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 09:49:26,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:26,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:49:26,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 09:49:26,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 09:49:26,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:26,257 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 7 states. [2018-12-31 09:49:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:27,538 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2018-12-31 09:49:27,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:49:27,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-12-31 09:49:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:27,546 INFO L225 Difference]: With dead ends: 196 [2018-12-31 09:49:27,549 INFO L226 Difference]: Without dead ends: 169 [2018-12-31 09:49:27,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-12-31 09:49:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-12-31 09:49:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2018-12-31 09:49:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-31 09:49:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2018-12-31 09:49:27,588 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2018-12-31 09:49:27,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:27,589 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2018-12-31 09:49:27,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 09:49:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2018-12-31 09:49:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:27,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:27,594 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 09:49:27,594 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:27,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:27,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2018-12-31 09:49:27,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:27,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:27,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:27,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:27,719 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 09:49:27,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:27,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:27,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:27,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:27,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:27,720 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2018-12-31 09:49:27,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:27,796 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2018-12-31 09:49:27,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:27,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:49:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:27,799 INFO L225 Difference]: With dead ends: 132 [2018-12-31 09:49:27,799 INFO L226 Difference]: Without dead ends: 60 [2018-12-31 09:49:27,800 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 09:49:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-31 09:49:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-31 09:49:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:49:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2018-12-31 09:49:27,824 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2018-12-31 09:49:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:27,825 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2018-12-31 09:49:27,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-31 09:49:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-31 09:49:27,831 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:27,831 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 09:49:27,831 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:27,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:27,832 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2018-12-31 09:49:27,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:27,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:27,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:27,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:28,184 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 09:49:28,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:28,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:28,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:28,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:28,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:28,188 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2018-12-31 09:49:28,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:28,648 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2018-12-31 09:49:28,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:28,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-31 09:49:28,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:28,649 INFO L225 Difference]: With dead ends: 118 [2018-12-31 09:49:28,649 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:28,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:28,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:28,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:28,651 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-12-31 09:49:28,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:28,651 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:28,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:28,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:28,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:28,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:28,963 WARN L181 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2018-12-31 09:49:29,250 WARN L181 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2018-12-31 09:49:29,566 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-31 09:49:29,566 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2018-12-31 09:49:29,566 INFO L451 ceAbstractionStarter]: At program point L366-1(lines 366 373) the Hoare annotation is: true [2018-12-31 09:49:29,567 INFO L444 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,567 INFO L444 ceAbstractionStarter]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2018-12-31 09:49:29,567 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2018-12-31 09:49:29,567 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2018-12-31 09:49:29,567 INFO L448 ceAbstractionStarter]: For program point L449-3(lines 449 453) no Hoare annotation was computed. [2018-12-31 09:49:29,567 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:29,568 INFO L448 ceAbstractionStarter]: For program point L449-6(lines 449 453) no Hoare annotation was computed. [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L268(lines 253 271) the Hoare annotation is: false [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L268-1(lines 253 271) the Hoare annotation is: false [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L268-2(lines 253 271) the Hoare annotation is: false [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L518(lines 513 521) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,568 INFO L444 ceAbstractionStarter]: At program point L518-1(lines 513 521) the Hoare annotation is: false [2018-12-31 09:49:29,569 INFO L444 ceAbstractionStarter]: At program point L518-2(lines 513 521) the Hoare annotation is: false [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point L536-2(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:29,570 INFO L444 ceAbstractionStarter]: At program point L438(lines 433 441) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:29,570 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,570 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-31 09:49:29,570 INFO L444 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,570 INFO L444 ceAbstractionStarter]: At program point L340(lines 336 342) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:29,571 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 403) no Hoare annotation was computed. [2018-12-31 09:49:29,571 INFO L444 ceAbstractionStarter]: At program point L390-1(lines 1 905) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,571 INFO L448 ceAbstractionStarter]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2018-12-31 09:49:29,571 INFO L444 ceAbstractionStarter]: At program point L390-3(lines 1 905) the Hoare annotation is: false [2018-12-31 09:49:29,571 INFO L448 ceAbstractionStarter]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2018-12-31 09:49:29,571 INFO L444 ceAbstractionStarter]: At program point L390-5(lines 1 905) the Hoare annotation is: false [2018-12-31 09:49:29,571 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 128 134) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,572 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 477) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L444 ceAbstractionStarter]: At program point L292-2(lines 292 306) the Hoare annotation is: false [2018-12-31 09:49:29,572 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L448 ceAbstractionStarter]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L448 ceAbstractionStarter]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:29,572 INFO L451 ceAbstractionStarter]: At program point L375(lines 356 378) the Hoare annotation is: true [2018-12-31 09:49:29,573 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-12-31 09:49:29,573 INFO L444 ceAbstractionStarter]: At program point L128(lines 127 146) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,573 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-12-31 09:49:29,573 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2018-12-31 09:49:29,573 INFO L444 ceAbstractionStarter]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2018-12-31 09:49:29,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L262-3(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L262-5(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,574 INFO L448 ceAbstractionStarter]: For program point L262-6(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,575 INFO L448 ceAbstractionStarter]: For program point L262-8(lines 262 266) no Hoare annotation was computed. [2018-12-31 09:49:29,575 INFO L444 ceAbstractionStarter]: At program point L213(lines 208 216) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,575 INFO L444 ceAbstractionStarter]: At program point L213-1(lines 208 216) the Hoare annotation is: false [2018-12-31 09:49:29,575 INFO L444 ceAbstractionStarter]: At program point L213-2(lines 208 216) the Hoare annotation is: false [2018-12-31 09:49:29,575 INFO L444 ceAbstractionStarter]: At program point L527(lines 522 530) the Hoare annotation is: false [2018-12-31 09:49:29,575 INFO L444 ceAbstractionStarter]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2018-12-31 09:49:29,575 INFO L448 ceAbstractionStarter]: For program point L461(lines 461 465) no Hoare annotation was computed. [2018-12-31 09:49:29,576 INFO L444 ceAbstractionStarter]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2018-12-31 09:49:29,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2018-12-31 09:49:29,576 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 300) no Hoare annotation was computed. [2018-12-31 09:49:29,576 INFO L448 ceAbstractionStarter]: For program point L296-1(lines 128 134) no Hoare annotation was computed. [2018-12-31 09:49:29,576 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:49:29,576 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:49:29,577 INFO L448 ceAbstractionStarter]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:49:29,577 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-31 09:49:29,577 INFO L444 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:29,577 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:29,577 INFO L444 ceAbstractionStarter]: At program point L430(lines 1 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:29,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:29 BoogieIcfgContainer [2018-12-31 09:49:29,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:29,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:29,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:29,596 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:29,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:25" (3/4) ... [2018-12-31 09:49:29,601 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:29,619 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:29,620 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:29,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:29,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:29,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:29,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:29,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:49:29,729 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:29,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:29,731 INFO L168 Benchmark]: Toolchain (without parser) took 6694.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.7 MB in the beginning and 900.4 MB in the end (delta: 52.3 MB). Peak memory consumption was 190.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:29,731 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 09:49:29,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:29,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.10 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. [2018-12-31 09:49:29,732 INFO L168 Benchmark]: Boogie Preprocessor took 43.65 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 09:49:29,733 INFO L168 Benchmark]: RCFGBuilder took 1309.26 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:29,733 INFO L168 Benchmark]: TraceAbstraction took 4423.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.2 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:29,734 INFO L168 Benchmark]: Witness Printer took 134.19 ms. Allocated memory is still 1.2 GB. Free memory was 907.2 MB in the beginning and 900.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:29,736 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 704.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.10 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 43.65 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 1309.26 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4423.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.2 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. * Witness Printer took 134.19 ms. Allocated memory is still 1.2 GB. Free memory was 907.2 MB in the beginning and 900.4 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: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: 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: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 522]: 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, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 333 SDtfs, 461 SDslu, 357 SDs, 0 SdLazy, 97 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1622 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 159 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 7907 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...