./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product32_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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:54:21,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:54:21,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:54:22,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:54:22,014 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:54:22,016 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:54:22,017 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:54:22,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:54:22,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:54:22,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:54:22,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:54:22,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:54:22,034 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:54:22,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:54:22,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:54:22,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:54:22,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:54:22,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:54:22,048 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:54:22,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:54:22,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:54:22,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:54:22,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:54:22,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:54:22,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:54:22,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:54:22,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:54:22,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:54:22,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:54:22,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:54:22,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:54:22,067 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:54:22,067 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:54:22,068 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:54:22,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:54:22,071 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:54:22,072 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:54:22,101 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:54:22,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:54:22,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:54:22,103 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:54:22,103 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:54:22,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:54:22,104 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:54:22,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:54:22,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:54:22,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:54:22,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:54:22,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:54:22,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:54:22,106 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:54:22,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:54:22,106 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:54:22,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:54:22,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:54:22,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:54:22,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:54:22,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:54:22,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:22,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:54:22,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:54:22,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:54:22,109 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:54:22,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:54:22,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:54:22,109 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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-01-12 14:54:22,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:54:22,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:54:22,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:54:22,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:54:22,184 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:54:22,185 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:22,247 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7ba7694/6bd8866c3fff46459cc8ccafa9d8768e/FLAG4ee16ccec [2019-01-12 14:54:22,781 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:54:22,781 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:22,795 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7ba7694/6bd8866c3fff46459cc8ccafa9d8768e/FLAG4ee16ccec [2019-01-12 14:54:23,087 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7ba7694/6bd8866c3fff46459cc8ccafa9d8768e [2019-01-12 14:54:23,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:54:23,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:54:23,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:23,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:54:23,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:54:23,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3240233c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23, skipping insertion in model container [2019-01-12 14:54:23,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:54:23,163 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:54:23,588 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:23,607 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:54:23,701 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:23,821 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:54:23,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23 WrapperNode [2019-01-12 14:54:23,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:23,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:23,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:54:23,823 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:54:23,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:23,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:54:23,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:54:23,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:54:23,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (1/1) ... [2019-01-12 14:54:23,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:54:23,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:54:23,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:54:23,988 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:54:23,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (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 [2019-01-12 14:54:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:54:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:54:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:54:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:54:25,554 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:54:25,554 INFO L286 CfgBuilder]: Removed 162 assue(true) statements. [2019-01-12 14:54:25,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:25 BoogieIcfgContainer [2019-01-12 14:54:25,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:54:25,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:54:25,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:54:25,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:54:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:54:23" (1/3) ... [2019-01-12 14:54:25,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c0319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:25, skipping insertion in model container [2019-01-12 14:54:25,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:23" (2/3) ... [2019-01-12 14:54:25,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758c0319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:25, skipping insertion in model container [2019-01-12 14:54:25,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:25" (3/3) ... [2019-01-12 14:54:25,562 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:25,572 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:54:25,581 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:54:25,600 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:54:25,632 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:54:25,632 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:54:25,633 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:54:25,633 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:54:25,634 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:54:25,634 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:54:25,634 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:54:25,634 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:54:25,634 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:54:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-01-12 14:54:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:54:25,665 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:25,666 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:25,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:25,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:25,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-01-12 14:54:25,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:25,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:25,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:25,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:25,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:25,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:25,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:25,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:54:25,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:54:25,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:25,971 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-01-12 14:54:26,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:26,002 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-01-12 14:54:26,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:54:26,003 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:54:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:26,023 INFO L225 Difference]: With dead ends: 208 [2019-01-12 14:54:26,023 INFO L226 Difference]: Without dead ends: 103 [2019-01-12 14:54:26,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:26,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-12 14:54:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-12 14:54:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-12 14:54:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-01-12 14:54:26,075 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-01-12 14:54:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:26,076 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-01-12 14:54:26,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:54:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-01-12 14:54:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:54:26,078 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:26,078 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:26,078 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:26,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:26,079 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-01-12 14:54:26,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:26,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:26,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:26,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:26,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:26,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:26,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:26,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:26,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:26,221 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-01-12 14:54:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:26,242 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-01-12 14:54:26,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:26,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:54:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:26,244 INFO L225 Difference]: With dead ends: 103 [2019-01-12 14:54:26,244 INFO L226 Difference]: Without dead ends: 45 [2019-01-12 14:54:26,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:26,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-01-12 14:54:26,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-01-12 14:54:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-01-12 14:54:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-01-12 14:54:26,253 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-01-12 14:54:26,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:26,253 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-01-12 14:54:26,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-01-12 14:54:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:54:26,255 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:26,256 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:26,256 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:26,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:26,256 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-01-12 14:54:26,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:26,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:26,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:26,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:26,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:26,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:26,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:26,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:26,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:26,399 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-01-12 14:54:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:26,494 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2019-01-12 14:54:26,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:26,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-01-12 14:54:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:26,497 INFO L225 Difference]: With dead ends: 123 [2019-01-12 14:54:26,498 INFO L226 Difference]: Without dead ends: 84 [2019-01-12 14:54:26,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-01-12 14:54:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2019-01-12 14:54:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-12 14:54:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2019-01-12 14:54:26,511 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 22 [2019-01-12 14:54:26,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:26,512 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2019-01-12 14:54:26,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2019-01-12 14:54:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:54:26,514 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:26,515 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:26,515 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-01-12 14:54:26,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:26,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:26,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:26,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:26,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:26,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:54:26,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 14:54:26,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 14:54:26,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:26,703 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand 7 states. [2019-01-12 14:54:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:27,976 INFO L93 Difference]: Finished difference Result 571 states and 870 transitions. [2019-01-12 14:54:27,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-12 14:54:27,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-01-12 14:54:27,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:27,984 INFO L225 Difference]: With dead ends: 571 [2019-01-12 14:54:27,985 INFO L226 Difference]: Without dead ends: 497 [2019-01-12 14:54:27,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2019-01-12 14:54:27,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-01-12 14:54:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 214. [2019-01-12 14:54:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-01-12 14:54:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 313 transitions. [2019-01-12 14:54:28,032 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 313 transitions. Word has length 24 [2019-01-12 14:54:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:28,032 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 313 transitions. [2019-01-12 14:54:28,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 14:54:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 313 transitions. [2019-01-12 14:54:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:54:28,036 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:28,036 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] [2019-01-12 14:54:28,036 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:28,037 INFO L82 PathProgramCache]: Analyzing trace with hash 234154931, now seen corresponding path program 1 times [2019-01-12 14:54:28,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:28,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:28,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:28,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:28,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:28,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:28,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:28,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:28,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:28,150 INFO L87 Difference]: Start difference. First operand 214 states and 313 transitions. Second operand 3 states. [2019-01-12 14:54:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:28,264 INFO L93 Difference]: Finished difference Result 332 states and 490 transitions. [2019-01-12 14:54:28,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:28,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-01-12 14:54:28,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:28,267 INFO L225 Difference]: With dead ends: 332 [2019-01-12 14:54:28,267 INFO L226 Difference]: Without dead ends: 124 [2019-01-12 14:54:28,269 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:28,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-01-12 14:54:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-01-12 14:54:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-01-12 14:54:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2019-01-12 14:54:28,298 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2019-01-12 14:54:28,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:28,300 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2019-01-12 14:54:28,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2019-01-12 14:54:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-12 14:54:28,305 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:28,306 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] [2019-01-12 14:54:28,306 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1927989650, now seen corresponding path program 1 times [2019-01-12 14:54:28,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:28,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:28,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:28,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-01-12 14:54:28,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:28,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:54:28,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:28,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:28,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:28,614 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand 5 states. [2019-01-12 14:54:29,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:29,018 INFO L93 Difference]: Finished difference Result 256 states and 342 transitions. [2019-01-12 14:54:29,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:29,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-01-12 14:54:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:29,021 INFO L225 Difference]: With dead ends: 256 [2019-01-12 14:54:29,021 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:54:29,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:29,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:54:29,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:54:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:54:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:54:29,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-01-12 14:54:29,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:29,026 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:54:29,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:54:29,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:54:29,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:54:29,631 WARN L181 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2019-01-12 14:54:29,921 INFO L444 ceAbstractionStarter]: At program point L102(lines 97 105) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:29,922 INFO L448 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-01-12 14:54:29,922 INFO L444 ceAbstractionStarter]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,922 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-01-12 14:54:29,922 INFO L451 ceAbstractionStarter]: At program point L203-1(lines 203 210) the Hoare annotation is: true [2019-01-12 14:54:29,922 INFO L448 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,922 INFO L448 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,922 INFO L448 ceAbstractionStarter]: For program point L864-3(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-5(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-6(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-8(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-9(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-11(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-12(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,923 INFO L448 ceAbstractionStarter]: For program point L864-14(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,924 INFO L448 ceAbstractionStarter]: For program point L864-15(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,924 INFO L448 ceAbstractionStarter]: For program point L864-17(lines 864 868) no Hoare annotation was computed. [2019-01-12 14:54:29,924 INFO L444 ceAbstractionStarter]: At program point L305(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,924 INFO L444 ceAbstractionStarter]: At program point L305-1(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,924 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2019-01-12 14:54:29,924 INFO L444 ceAbstractionStarter]: At program point L305-2(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L305-3(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L305-4(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L305-5(lines 300 308) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L870(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L870-1(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L870-2(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,925 INFO L444 ceAbstractionStarter]: At program point L870-3(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,926 INFO L444 ceAbstractionStarter]: At program point L870-4(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,926 INFO L444 ceAbstractionStarter]: At program point L870-5(lines 855 873) the Hoare annotation is: false [2019-01-12 14:54:29,926 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,926 INFO L448 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,926 INFO L448 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,926 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-01-12 14:54:29,926 INFO L444 ceAbstractionStarter]: At program point L806(lines 799 809) the Hoare annotation is: false [2019-01-12 14:54:29,926 INFO L444 ceAbstractionStarter]: At program point L806-1(lines 799 809) the Hoare annotation is: false [2019-01-12 14:54:29,927 INFO L444 ceAbstractionStarter]: At program point L806-2(lines 799 809) the Hoare annotation is: false [2019-01-12 14:54:29,927 INFO L451 ceAbstractionStarter]: At program point L212(lines 193 215) the Hoare annotation is: true [2019-01-12 14:54:29,927 INFO L444 ceAbstractionStarter]: At program point L179(lines 175 181) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:29,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,927 INFO L448 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-01-12 14:54:29,927 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-01-12 14:54:29,928 INFO L444 ceAbstractionStarter]: At program point L51-1(lines 1 965) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,928 INFO L448 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-01-12 14:54:29,928 INFO L444 ceAbstractionStarter]: At program point L51-3(lines 1 965) the Hoare annotation is: false [2019-01-12 14:54:29,928 INFO L448 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-01-12 14:54:29,928 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-01-12 14:54:29,928 INFO L444 ceAbstractionStarter]: At program point L51-5(lines 1 965) the Hoare annotation is: false [2019-01-12 14:54:29,928 INFO L448 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-01-12 14:54:29,929 INFO L448 ceAbstractionStarter]: For program point L745-1(lines 745 762) no Hoare annotation was computed. [2019-01-12 14:54:29,929 INFO L448 ceAbstractionStarter]: For program point L745-2(lines 745 762) no Hoare annotation was computed. [2019-01-12 14:54:29,929 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-01-12 14:54:29,929 INFO L444 ceAbstractionStarter]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:54:29,929 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L444 ceAbstractionStarter]: At program point L946-1(lines 687 693) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-01-12 14:54:29,930 INFO L448 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-01-12 14:54:29,931 INFO L444 ceAbstractionStarter]: At program point L815(lines 810 818) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,931 INFO L444 ceAbstractionStarter]: At program point L815-1(lines 810 818) the Hoare annotation is: false [2019-01-12 14:54:29,931 INFO L448 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-01-12 14:54:29,931 INFO L444 ceAbstractionStarter]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2019-01-12 14:54:29,931 INFO L448 ceAbstractionStarter]: For program point L749-1(lines 749 757) no Hoare annotation was computed. [2019-01-12 14:54:29,931 INFO L448 ceAbstractionStarter]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2019-01-12 14:54:29,931 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719-2(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719-3(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719-4(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L719-5(lines 719 736) no Hoare annotation was computed. [2019-01-12 14:54:29,932 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-01-12 14:54:29,933 INFO L444 ceAbstractionStarter]: At program point L918-1(lines 918 924) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,933 INFO L444 ceAbstractionStarter]: At program point L687(lines 686 705) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,933 INFO L448 ceAbstractionStarter]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2019-01-12 14:54:29,933 INFO L444 ceAbstractionStarter]: At program point L687-2(lines 686 705) the Hoare annotation is: false [2019-01-12 14:54:29,933 INFO L444 ceAbstractionStarter]: At program point L687-3(lines 686 705) the Hoare annotation is: false [2019-01-12 14:54:29,933 INFO L444 ceAbstractionStarter]: At program point L94(lines 1 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= ~systemActive~0 ~waterLevel~0)) [2019-01-12 14:54:29,933 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: false [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L723-1(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L723-2(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,934 INFO L448 ceAbstractionStarter]: For program point L723-3(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,935 INFO L448 ceAbstractionStarter]: For program point L723-4(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,935 INFO L448 ceAbstractionStarter]: For program point L723-5(lines 723 731) no Hoare annotation was computed. [2019-01-12 14:54:29,935 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-01-12 14:54:29,935 INFO L444 ceAbstractionStarter]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,935 INFO L444 ceAbstractionStarter]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2019-01-12 14:54:29,935 INFO L444 ceAbstractionStarter]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2019-01-12 14:54:29,935 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:54:29,935 INFO L444 ceAbstractionStarter]: At program point L264(lines 259 267) the Hoare annotation is: false [2019-01-12 14:54:29,936 INFO L444 ceAbstractionStarter]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2019-01-12 14:54:29,936 INFO L444 ceAbstractionStarter]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2019-01-12 14:54:29,936 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-01-12 14:54:29,936 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 687 693) no Hoare annotation was computed. [2019-01-12 14:54:29,936 INFO L444 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: false [2019-01-12 14:54:29,936 INFO L444 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2019-01-12 14:54:29,936 INFO L444 ceAbstractionStarter]: At program point L694-1(lines 694 700) the Hoare annotation is: false [2019-01-12 14:54:29,937 INFO L444 ceAbstractionStarter]: At program point L694-2(lines 694 700) the Hoare annotation is: false [2019-01-12 14:54:29,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:54:29 BoogieIcfgContainer [2019-01-12 14:54:29,962 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:54:29,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:54:29,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:54:29,962 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:54:29,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:25" (3/4) ... [2019-01-12 14:54:29,975 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:54:30,006 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:54:30,007 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:54:30,009 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:54:30,010 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:54:30,011 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:54:30,012 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:54:30,051 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && splverifierCounter == 0) && pumpRunning == 0 [2019-01-12 14:54:30,151 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:54:30,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:54:30,152 INFO L168 Benchmark]: Toolchain (without parser) took 7060.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 954.0 MB in the beginning and 869.9 MB in the end (delta: 84.1 MB). Peak memory consumption was 232.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,154 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:30,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.88 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,157 INFO L168 Benchmark]: Boogie Preprocessor took 73.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:30,158 INFO L168 Benchmark]: RCFGBuilder took 1567.61 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,158 INFO L168 Benchmark]: TraceAbstraction took 4405.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,159 INFO L168 Benchmark]: Witness Printer took 188.86 ms. Allocated memory is still 1.2 GB. Free memory was 883.2 MB in the beginning and 869.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:30,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 729.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.88 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.41 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 1567.61 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: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4405.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. * Witness Printer took 188.86 ms. Allocated memory is still 1.2 GB. Free memory was 883.2 MB in the beginning and 869.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (0 == \result && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. SAFE Result, 4.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 460 SDtfs, 714 SDslu, 682 SDs, 0 SdLazy, 140 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred 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, 287 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3953 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s 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...