./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_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_product22_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 82f74870a567ad4799d16040af8f13b048c16754 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:49:29,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:29,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:29,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:29,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:29,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:29,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:29,021 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:29,022 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:29,023 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:29,024 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:29,024 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:29,025 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:29,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:29,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:29,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:29,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:29,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:29,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:29,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:29,039 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:29,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:29,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:29,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:29,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:29,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:29,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:29,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:29,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:29,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:29,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:29,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:29,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:29,054 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:29,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:29,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:29,055 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:29,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:29,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:29,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:29,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:29,073 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:29,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:29,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:29,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:29,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:29,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:29,075 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:29,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:29,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:29,076 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:29,076 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:29,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:29,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:29,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:29,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:29,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:29,077 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:29,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:29,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:29,078 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 -> 82f74870a567ad4799d16040af8f13b048c16754 [2018-12-31 09:49:29,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:29,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:29,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:29,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:29,142 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:29,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:29,202 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098cd0234/e8093abd694e4ed1be93edb2adf9dbf3/FLAG047410de2 [2018-12-31 09:49:29,670 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:29,674 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:29,691 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098cd0234/e8093abd694e4ed1be93edb2adf9dbf3/FLAG047410de2 [2018-12-31 09:49:29,973 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/098cd0234/e8093abd694e4ed1be93edb2adf9dbf3 [2018-12-31 09:49:29,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:29,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:29,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:29,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:29,982 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:29,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:29" (1/1) ... [2018-12-31 09:49:29,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da64c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:29, skipping insertion in model container [2018-12-31 09:49:29,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:29" (1/1) ... [2018-12-31 09:49:29,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:30,052 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:30,469 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:30,493 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:30,587 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:30,639 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:30,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30 WrapperNode [2018-12-31 09:49:30,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:30,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:30,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:30,642 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:30,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:30,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:30,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:30,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:30,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (1/1) ... [2018-12-31 09:49:30,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:30,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:30,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:30,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:30,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (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 09:49:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:32,519 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:32,520 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2018-12-31 09:49:32,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:32 BoogieIcfgContainer [2018-12-31 09:49:32,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:32,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:32,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:32,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:32,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:29" (1/3) ... [2018-12-31 09:49:32,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49459fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:32, skipping insertion in model container [2018-12-31 09:49:32,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:30" (2/3) ... [2018-12-31 09:49:32,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49459fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:32, skipping insertion in model container [2018-12-31 09:49:32,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:32" (3/3) ... [2018-12-31 09:49:32,528 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:32,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:32,546 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:32,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:32,595 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:32,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:32,596 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:32,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:32,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:32,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:32,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:32,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:32,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-12-31 09:49:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:32,624 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:32,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:32,627 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:32,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2018-12-31 09:49:32,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:32,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:32,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:32,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:32,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:32,929 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 09:49:32,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:32,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:32,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:32,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:32,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:32,949 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-12-31 09:49:32,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:32,983 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2018-12-31 09:49:32,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:32,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:32,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:32,999 INFO L225 Difference]: With dead ends: 204 [2018-12-31 09:49:32,999 INFO L226 Difference]: Without dead ends: 101 [2018-12-31 09:49:33,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:33,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-31 09:49:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-31 09:49:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-31 09:49:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2018-12-31 09:49:33,053 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2018-12-31 09:49:33,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:33,054 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2018-12-31 09:49:33,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2018-12-31 09:49:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:33,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:33,056 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:33,056 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:33,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:33,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2018-12-31 09:49:33,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:33,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:33,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:33,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:33,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:33,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:33,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:33,223 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2018-12-31 09:49:33,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:33,250 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2018-12-31 09:49:33,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:33,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:33,254 INFO L225 Difference]: With dead ends: 101 [2018-12-31 09:49:33,254 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 09:49:33,258 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 09:49:33,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 09:49:33,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-31 09:49:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-31 09:49:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2018-12-31 09:49:33,269 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2018-12-31 09:49:33,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:33,270 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2018-12-31 09:49:33,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2018-12-31 09:49:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:33,276 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:33,276 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 09:49:33,277 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2018-12-31 09:49:33,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:33,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:33,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:33,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:33,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:33,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:33,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:33,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:33,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:33,409 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2018-12-31 09:49:33,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:33,458 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2018-12-31 09:49:33,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:33,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:49:33,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:33,460 INFO L225 Difference]: With dead ends: 80 [2018-12-31 09:49:33,460 INFO L226 Difference]: Without dead ends: 43 [2018-12-31 09:49:33,460 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 09:49:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-31 09:49:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-31 09:49:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-31 09:49:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2018-12-31 09:49:33,467 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2018-12-31 09:49:33,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:33,467 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2018-12-31 09:49:33,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2018-12-31 09:49:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:33,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:33,469 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 09:49:33,469 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:33,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:33,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2018-12-31 09:49:33,470 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:33,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:33,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:33,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:33,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:33,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:49:33,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 09:49:33,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 09:49:33,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:33,679 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 7 states. [2018-12-31 09:49:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:34,625 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2018-12-31 09:49:34,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:49:34,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-31 09:49:34,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:34,630 INFO L225 Difference]: With dead ends: 286 [2018-12-31 09:49:34,630 INFO L226 Difference]: Without dead ends: 249 [2018-12-31 09:49:34,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-12-31 09:49:34,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-31 09:49:34,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2018-12-31 09:49:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-31 09:49:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2018-12-31 09:49:34,655 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2018-12-31 09:49:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:34,656 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2018-12-31 09:49:34,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 09:49:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2018-12-31 09:49:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:49:34,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:34,658 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:34,659 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:34,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:34,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2018-12-31 09:49:34,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:34,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:34,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:34,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:34,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:34,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:34,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:34,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:34,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:34,753 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2018-12-31 09:49:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:34,844 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2018-12-31 09:49:34,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:34,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-31 09:49:34,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:34,846 INFO L225 Difference]: With dead ends: 165 [2018-12-31 09:49:34,846 INFO L226 Difference]: Without dead ends: 63 [2018-12-31 09:49:34,847 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 09:49:34,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-31 09:49:34,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-31 09:49:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-31 09:49:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2018-12-31 09:49:34,858 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2018-12-31 09:49:34,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:34,859 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2018-12-31 09:49:34,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:34,859 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-31 09:49:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-31 09:49:34,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:34,861 INFO L402 BasicCegarLoop]: trace histogram [2, 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 09:49:34,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:34,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:34,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2018-12-31 09:49:34,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:34,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:34,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:34,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-31 09:49:35,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:35,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:35,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:35,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:35,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:35,172 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 5 states. [2018-12-31 09:49:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:35,760 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2018-12-31 09:49:35,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:35,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2018-12-31 09:49:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:35,762 INFO L225 Difference]: With dead ends: 125 [2018-12-31 09:49:35,762 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:35,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:35,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:35,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-12-31 09:49:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:35,768 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:35,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:35,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:35,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:36,061 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:49:36,275 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:49:36,403 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:49:36,750 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:49:37,058 INFO L444 ceAbstractionStarter]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:37,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,058 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,058 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,059 INFO L448 ceAbstractionStarter]: For program point L535-2(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2018-12-31 09:49:37,060 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 421) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 263) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 246 263) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 263) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L379(lines 378 425) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2018-12-31 09:49:37,061 INFO L444 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348-3(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348-5(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348-6(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,062 INFO L448 ceAbstractionStarter]: For program point L348-8(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,065 INFO L448 ceAbstractionStarter]: For program point L348-9(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,065 INFO L448 ceAbstractionStarter]: For program point L348-11(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,065 INFO L448 ceAbstractionStarter]: For program point L348-12(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,066 INFO L448 ceAbstractionStarter]: For program point L348-14(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,066 INFO L448 ceAbstractionStarter]: For program point L348-15(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,066 INFO L448 ceAbstractionStarter]: For program point L348-17(lines 348 352) no Hoare annotation was computed. [2018-12-31 09:49:37,067 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 258) no Hoare annotation was computed. [2018-12-31 09:49:37,067 INFO L448 ceAbstractionStarter]: For program point L250-1(lines 250 258) no Hoare annotation was computed. [2018-12-31 09:49:37,067 INFO L448 ceAbstractionStarter]: For program point L250-2(lines 250 258) no Hoare annotation was computed. [2018-12-31 09:49:37,067 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 561) no Hoare annotation was computed. [2018-12-31 09:49:37,067 INFO L444 ceAbstractionStarter]: At program point L548-1(lines 1 930) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,067 INFO L448 ceAbstractionStarter]: For program point L548-2(lines 548 561) no Hoare annotation was computed. [2018-12-31 09:49:37,068 INFO L444 ceAbstractionStarter]: At program point L548-3(lines 1 930) the Hoare annotation is: false [2018-12-31 09:49:37,068 INFO L448 ceAbstractionStarter]: For program point L416(lines 416 420) no Hoare annotation was computed. [2018-12-31 09:49:37,068 INFO L448 ceAbstractionStarter]: For program point L548-4(lines 548 561) no Hoare annotation was computed. [2018-12-31 09:49:37,068 INFO L444 ceAbstractionStarter]: At program point L548-5(lines 1 930) the Hoare annotation is: false [2018-12-31 09:49:37,068 INFO L444 ceAbstractionStarter]: At program point L416-2(lines 188 194) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,068 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:49:37,068 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 188 194) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L451 ceAbstractionStarter]: At program point L517-1(lines 517 524) the Hoare annotation is: true [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,069 INFO L448 ceAbstractionStarter]: For program point L220-1(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L448 ceAbstractionStarter]: For program point L220-3(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L448 ceAbstractionStarter]: For program point L220-4(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L448 ceAbstractionStarter]: For program point L220-5(lines 220 237) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L444 ceAbstractionStarter]: At program point L188(lines 187 206) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,070 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2018-12-31 09:49:37,070 INFO L444 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,071 INFO L444 ceAbstractionStarter]: At program point L188-2(lines 187 206) the Hoare annotation is: false [2018-12-31 09:49:37,071 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2018-12-31 09:49:37,071 INFO L444 ceAbstractionStarter]: At program point L188-3(lines 187 206) the Hoare annotation is: false [2018-12-31 09:49:37,071 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2018-12-31 09:49:37,071 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 558) no Hoare annotation was computed. [2018-12-31 09:49:37,071 INFO L448 ceAbstractionStarter]: For program point L552-2(lines 552 558) no Hoare annotation was computed. [2018-12-31 09:49:37,071 INFO L448 ceAbstractionStarter]: For program point L552-4(lines 552 558) no Hoare annotation was computed. [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354-1(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354-2(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354-3(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354-4(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L354-5(lines 339 357) the Hoare annotation is: false [2018-12-31 09:49:37,072 INFO L444 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: false [2018-12-31 09:49:37,073 INFO L444 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2018-12-31 09:49:37,073 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2018-12-31 09:49:37,073 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-12-31 09:49:37,073 INFO L444 ceAbstractionStarter]: At program point L388-1(lines 388 394) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,073 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,073 INFO L444 ceAbstractionStarter]: At program point L290(lines 283 293) the Hoare annotation is: false [2018-12-31 09:49:37,074 INFO L444 ceAbstractionStarter]: At program point L290-1(lines 283 293) the Hoare annotation is: false [2018-12-31 09:49:37,074 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,074 INFO L444 ceAbstractionStarter]: At program point L290-2(lines 283 293) the Hoare annotation is: false [2018-12-31 09:49:37,074 INFO L448 ceAbstractionStarter]: For program point L224-1(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,074 INFO L448 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,074 INFO L448 ceAbstractionStarter]: For program point L224-3(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,074 INFO L448 ceAbstractionStarter]: For program point L224-4(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,075 INFO L448 ceAbstractionStarter]: For program point L224-5(lines 224 232) no Hoare annotation was computed. [2018-12-31 09:49:37,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,075 INFO L444 ceAbstractionStarter]: At program point L161(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:37,075 INFO L444 ceAbstractionStarter]: At program point L426(lines 377 427) the Hoare annotation is: false [2018-12-31 09:49:37,075 INFO L444 ceAbstractionStarter]: At program point L195(lines 195 201) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,075 INFO L444 ceAbstractionStarter]: At program point L195-1(lines 195 201) the Hoare annotation is: false [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L195-2(lines 195 201) the Hoare annotation is: false [2018-12-31 09:49:37,076 INFO L451 ceAbstractionStarter]: At program point L526(lines 507 529) the Hoare annotation is: true [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L131(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,076 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,076 INFO L444 ceAbstractionStarter]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,077 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:37,077 INFO L444 ceAbstractionStarter]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,077 INFO L444 ceAbstractionStarter]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2018-12-31 09:49:37,077 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 404) no Hoare annotation was computed. [2018-12-31 09:49:37,077 INFO L444 ceAbstractionStarter]: At program point L398-1(lines 398 404) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:49:37,077 INFO L444 ceAbstractionStarter]: At program point L299(lines 294 302) 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 09:49:37,078 INFO L444 ceAbstractionStarter]: At program point L299-1(lines 294 302) the Hoare annotation is: false [2018-12-31 09:49:37,078 INFO L444 ceAbstractionStarter]: At program point L299-2(lines 294 302) the Hoare annotation is: false [2018-12-31 09:49:37,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:37 BoogieIcfgContainer [2018-12-31 09:49:37,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:37,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:37,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:37,110 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:37,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:32" (3/4) ... [2018-12-31 09:49:37,118 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:37,146 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:37,147 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:37,150 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:37,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:37,152 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:37,154 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:37,200 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:49:37,332 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:37,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:37,333 INFO L168 Benchmark]: Toolchain (without parser) took 7356.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 952.7 MB in the beginning and 879.6 MB in the end (delta: 73.1 MB). Peak memory consumption was 198.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,334 INFO L168 Benchmark]: CDTParser took 0.18 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 09:49:37,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.56 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,338 INFO L168 Benchmark]: Boogie Preprocessor took 61.94 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. [2018-12-31 09:49:37,338 INFO L168 Benchmark]: RCFGBuilder took 1614.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,338 INFO L168 Benchmark]: TraceAbstraction took 4587.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 892.8 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,339 INFO L168 Benchmark]: Witness Printer took 222.85 ms. Allocated memory is still 1.2 GB. Free memory was 892.8 MB in the beginning and 879.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:37,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 662.56 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 201.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.94 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 1614.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4587.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 892.8 MB in the end (delta: 156.9 MB). Peak memory consumption was 156.9 MB. Max. memory is 11.5 GB. * Witness Printer took 222.85 ms. Allocated memory is still 1.2 GB. Free memory was 892.8 MB in the beginning and 879.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 535]: 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: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. SAFE Result, 4.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 436 SDtfs, 644 SDslu, 498 SDs, 0 SdLazy, 114 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 92 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1782 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...