./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product37_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_spec5_product37_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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:52,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:50:52,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:50:52,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:50:52,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:50:52,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:50:52,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:50:52,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:50:52,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:50:52,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:50:52,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:50:52,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:50:52,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:50:52,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:50:52,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:50:52,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:50:52,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:50:52,287 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:50:52,292 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:50:52,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:50:52,294 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:50:52,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:50:52,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:50:52,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:50:52,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:50:52,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:50:52,313 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:50:52,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:50:52,314 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:50:52,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:50:52,315 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:50:52,317 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:50:52,317 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:50:52,317 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:50:52,318 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:50:52,319 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:50:52,319 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:50:52,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:50:52,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:50:52,337 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:50:52,337 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:50:52,337 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:50:52,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:50:52,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:50:52,338 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:50:52,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:50:52,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:50:52,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:50:52,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:50:52,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:50:52,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:50:52,339 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:50:52,339 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:50:52,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:50:52,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:50:52,340 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:50:52,340 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:50:52,340 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:50:52,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:50:52,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:50:52,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:50:52,341 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:50:52,341 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:50:52,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:50:52,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:50:52,342 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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2018-12-31 09:50:52,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:50:52,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:50:52,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:50:52,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:50:52,428 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:50:52,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:52,494 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e661015/e7ea961357ac42fb9c75d3d87695efc7/FLAGf633c06bf [2018-12-31 09:50:52,965 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:50:52,966 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:52,980 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e661015/e7ea961357ac42fb9c75d3d87695efc7/FLAGf633c06bf [2018-12-31 09:50:53,292 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3e661015/e7ea961357ac42fb9c75d3d87695efc7 [2018-12-31 09:50:53,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:50:53,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:50:53,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:53,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:50:53,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:50:53,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:53,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704d4b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53, skipping insertion in model container [2018-12-31 09:50:53,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:53,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:50:53,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:50:53,787 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:53,802 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:50:53,889 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:53,932 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:50:53,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53 WrapperNode [2018-12-31 09:50:53,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:53,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:53,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:50:53,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:50:54,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:54,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:50:54,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:50:54,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:50:54,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (1/1) ... [2018-12-31 09:50:54,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:50:54,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:50:54,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:50:54,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:50:54,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (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 09:50:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:50:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:50:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:50:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:50:55,957 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:50:55,958 INFO L280 CfgBuilder]: Removed 170 assue(true) statements. [2018-12-31 09:50:55,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:55 BoogieIcfgContainer [2018-12-31 09:50:55,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:50:55,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:50:55,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:50:55,963 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:50:55,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:50:53" (1/3) ... [2018-12-31 09:50:55,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5394ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:55, skipping insertion in model container [2018-12-31 09:50:55,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:53" (2/3) ... [2018-12-31 09:50:55,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5394ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:55, skipping insertion in model container [2018-12-31 09:50:55,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:55" (3/3) ... [2018-12-31 09:50:55,969 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:55,980 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:50:55,990 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:50:56,008 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:50:56,044 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:50:56,045 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:50:56,045 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:50:56,045 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:50:56,046 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:50:56,046 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:50:56,046 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:50:56,046 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:50:56,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:50:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-12-31 09:50:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:50:56,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:56,077 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:56,079 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:56,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:56,087 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2018-12-31 09:50:56,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:56,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:56,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:56,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:56,359 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 09:50:56,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:56,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:56,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:50:56,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:50:56,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:50:56,382 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2018-12-31 09:50:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:56,417 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2018-12-31 09:50:56,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:50:56,419 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:50:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:56,434 INFO L225 Difference]: With dead ends: 233 [2018-12-31 09:50:56,434 INFO L226 Difference]: Without dead ends: 116 [2018-12-31 09:50:56,438 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 09:50:56,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-12-31 09:50:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-12-31 09:50:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-31 09:50:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2018-12-31 09:50:56,492 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2018-12-31 09:50:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:56,492 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2018-12-31 09:50:56,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:50:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2018-12-31 09:50:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:50:56,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:56,494 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] [2018-12-31 09:50:56,495 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2018-12-31 09:50:56,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:56,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:56,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:56,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:56,708 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 09:50:56,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:56,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:56,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:56,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:56,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:56,712 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2018-12-31 09:50:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:56,742 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2018-12-31 09:50:56,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:56,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:50:56,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:56,752 INFO L225 Difference]: With dead ends: 116 [2018-12-31 09:50:56,753 INFO L226 Difference]: Without dead ends: 49 [2018-12-31 09:50:56,754 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 09:50:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-31 09:50:56,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-31 09:50:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-31 09:50:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2018-12-31 09:50:56,769 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2018-12-31 09:50:56,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:56,769 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2018-12-31 09:50:56,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:56,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2018-12-31 09:50:56,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:50:56,774 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:56,774 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, 1] [2018-12-31 09:50:56,777 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:56,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:56,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2018-12-31 09:50:56,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:56,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:56,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:56,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:56,971 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 09:50:56,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:56,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:56,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:56,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:56,976 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2018-12-31 09:50:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:57,001 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2018-12-31 09:50:57,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:57,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:50:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:57,004 INFO L225 Difference]: With dead ends: 91 [2018-12-31 09:50:57,004 INFO L226 Difference]: Without dead ends: 49 [2018-12-31 09:50:57,005 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 09:50:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-31 09:50:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-31 09:50:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-31 09:50:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2018-12-31 09:50:57,012 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2018-12-31 09:50:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:57,013 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2018-12-31 09:50:57,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2018-12-31 09:50:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-31 09:50:57,015 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:57,015 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, 1, 1, 1] [2018-12-31 09:50:57,016 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:57,016 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2018-12-31 09:50:57,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:57,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:57,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:57,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:57,128 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 09:50:57,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:57,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:57,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:57,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:57,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:57,130 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2018-12-31 09:50:57,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:57,353 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2018-12-31 09:50:57,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:57,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-31 09:50:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:57,357 INFO L225 Difference]: With dead ends: 115 [2018-12-31 09:50:57,357 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 09:50:57,358 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 09:50:57,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 09:50:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-31 09:50:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-31 09:50:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-12-31 09:50:57,381 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2018-12-31 09:50:57,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:57,382 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-12-31 09:50:57,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-12-31 09:50:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:57,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:57,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:57,386 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:57,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:57,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2018-12-31 09:50:57,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:57,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:57,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:57,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:57,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:57,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:57,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:57,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:57,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:57,554 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2018-12-31 09:50:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:57,926 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2018-12-31 09:50:57,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:57,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:50:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:57,930 INFO L225 Difference]: With dead ends: 190 [2018-12-31 09:50:57,931 INFO L226 Difference]: Without dead ends: 126 [2018-12-31 09:50:57,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:57,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-31 09:50:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2018-12-31 09:50:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-31 09:50:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2018-12-31 09:50:57,955 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2018-12-31 09:50:57,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:57,956 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2018-12-31 09:50:57,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2018-12-31 09:50:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:57,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:57,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:57,963 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:57,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:57,963 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2018-12-31 09:50:57,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:57,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:57,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:57,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:58,078 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 09:50:58,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:58,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:58,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:58,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:58,080 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2018-12-31 09:50:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:58,461 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2018-12-31 09:50:58,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:58,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:50:58,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:58,465 INFO L225 Difference]: With dead ends: 260 [2018-12-31 09:50:58,465 INFO L226 Difference]: Without dead ends: 190 [2018-12-31 09:50:58,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:50:58,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-12-31 09:50:58,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2018-12-31 09:50:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-31 09:50:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2018-12-31 09:50:58,498 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2018-12-31 09:50:58,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:58,499 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2018-12-31 09:50:58,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:58,499 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2018-12-31 09:50:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:58,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:58,504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:58,505 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:58,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:58,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2018-12-31 09:50:58,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:58,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:58,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:58,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:58,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:58,612 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 09:50:58,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:58,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:58,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:50:58,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:50:58,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:50:58,615 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2018-12-31 09:50:58,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:58,726 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2018-12-31 09:50:58,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:50:58,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-31 09:50:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:58,728 INFO L225 Difference]: With dead ends: 177 [2018-12-31 09:50:58,728 INFO L226 Difference]: Without dead ends: 108 [2018-12-31 09:50:58,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-31 09:50:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2018-12-31 09:50:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-31 09:50:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2018-12-31 09:50:58,742 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2018-12-31 09:50:58,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:58,742 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2018-12-31 09:50:58,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:50:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2018-12-31 09:50:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:58,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:58,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:58,746 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:58,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:58,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2018-12-31 09:50:58,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:58,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:58,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:58,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:58,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:58,852 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 09:50:58,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:58,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:58,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:58,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:58,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:58,854 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2018-12-31 09:50:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:58,991 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2018-12-31 09:50:58,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:58,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:50:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:58,993 INFO L225 Difference]: With dead ends: 181 [2018-12-31 09:50:58,994 INFO L226 Difference]: Without dead ends: 108 [2018-12-31 09:50:58,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 09:50:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-31 09:50:59,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-12-31 09:50:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-31 09:50:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2018-12-31 09:50:59,019 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2018-12-31 09:50:59,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:59,019 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2018-12-31 09:50:59,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2018-12-31 09:50:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-31 09:50:59,022 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:59,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:59,025 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:59,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2018-12-31 09:50:59,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:59,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:59,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:59,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:59,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:59,189 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 09:50:59,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:59,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:50:59,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:50:59,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:50:59,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:59,191 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2018-12-31 09:50:59,628 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-12-31 09:51:00,032 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:51:00,331 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:51:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:00,696 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2018-12-31 09:51:00,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:00,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-31 09:51:00,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:00,698 INFO L225 Difference]: With dead ends: 405 [2018-12-31 09:51:00,699 INFO L226 Difference]: Without dead ends: 332 [2018-12-31 09:51:00,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:00,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-12-31 09:51:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2018-12-31 09:51:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-31 09:51:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2018-12-31 09:51:00,726 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2018-12-31 09:51:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:00,726 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2018-12-31 09:51:00,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:51:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2018-12-31 09:51:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-31 09:51:00,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:00,730 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:00,730 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:00,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2018-12-31 09:51:00,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:00,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:00,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:00,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:00,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:00,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:51:00,888 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 09:51:00,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:01,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:51:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:01,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:51:01,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-31 09:51:01,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:51:01,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:51:01,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:51:01,396 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2018-12-31 09:51:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:02,100 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2018-12-31 09:51:02,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:51:02,101 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2018-12-31 09:51:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:02,101 INFO L225 Difference]: With dead ends: 308 [2018-12-31 09:51:02,102 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:51:02,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:02,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:51:02,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:51:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:51:02,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:51:02,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-12-31 09:51:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:02,104 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:51:02,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:51:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:51:02,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:51:02,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:51:02,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:02,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:03,782 WARN L181 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2018-12-31 09:51:04,065 WARN L181 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 19 [2018-12-31 09:51:04,473 WARN L181 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2018-12-31 09:51:04,787 WARN L181 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-12-31 09:51:05,034 WARN L181 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-12-31 09:51:05,168 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2018-12-31 09:51:05,348 WARN L181 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2018-12-31 09:51:05,622 WARN L181 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2018-12-31 09:51:05,729 WARN L181 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 21 [2018-12-31 09:51:05,890 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2018-12-31 09:51:06,129 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-12-31 09:51:06,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,134 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2018-12-31 09:51:06,134 INFO L444 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:06,134 INFO L444 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:06,134 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:06,134 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:06,135 INFO L444 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:06,135 INFO L444 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:06,135 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-12-31 09:51:06,135 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2018-12-31 09:51:06,135 INFO L448 ceAbstractionStarter]: For program point L533-2(lines 527 538) no Hoare annotation was computed. [2018-12-31 09:51:06,135 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-12-31 09:51:06,135 INFO L444 ceAbstractionStarter]: At program point L170-1(lines 1 951) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2018-12-31 09:51:06,136 INFO L444 ceAbstractionStarter]: At program point L170-3(lines 1 951) the Hoare annotation is: false [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2018-12-31 09:51:06,136 INFO L444 ceAbstractionStarter]: At program point L170-5(lines 1 951) the Hoare annotation is: false [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,136 INFO L444 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: false [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2018-12-31 09:51:06,136 INFO L448 ceAbstractionStarter]: For program point L174-2(lines 174 184) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L174-4(lines 174 184) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,137 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2018-12-31 09:51:06,138 INFO L448 ceAbstractionStarter]: For program point L374-1(lines 374 391) no Hoare annotation was computed. [2018-12-31 09:51:06,138 INFO L448 ceAbstractionStarter]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2018-12-31 09:51:06,138 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-12-31 09:51:06,138 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-31 09:51:06,138 INFO L444 ceAbstractionStarter]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:06,138 INFO L444 ceAbstractionStarter]: At program point L574(lines 1 951) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:06,138 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-3(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-5(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-6(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-8(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-9(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-11(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-12(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,139 INFO L448 ceAbstractionStarter]: For program point L476-14(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L476-15(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L476-17(lines 476 480) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L444 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: false [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 378 386) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 386) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-12-31 09:51:06,140 INFO L451 ceAbstractionStarter]: At program point L281-1(lines 281 288) the Hoare annotation is: true [2018-12-31 09:51:06,141 INFO L444 ceAbstractionStarter]: At program point L149(lines 144 151) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348-1(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348-3(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348-4(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L448 ceAbstractionStarter]: For program point L348-5(lines 348 365) no Hoare annotation was computed. [2018-12-31 09:51:06,141 INFO L444 ceAbstractionStarter]: At program point L316(lines 312 334) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0) .cse2)) (and (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (and .cse1 .cse0 .cse2) (= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2018-12-31 09:51:06,141 INFO L444 ceAbstractionStarter]: At program point L316-1(lines 312 334) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L316-2(lines 312 334) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482(lines 467 485) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482-1(lines 467 485) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482-2(lines 467 485) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482-3(lines 467 485) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482-4(lines 467 485) the Hoare annotation is: false [2018-12-31 09:51:06,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:06,142 INFO L444 ceAbstractionStarter]: At program point L482-5(lines 467 485) the Hoare annotation is: false [2018-12-31 09:51:06,143 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:06,143 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:06,143 INFO L448 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:06,143 INFO L444 ceAbstractionStarter]: At program point L582(lines 577 585) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:06,143 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-12-31 09:51:06,143 INFO L444 ceAbstractionStarter]: At program point L517-1(lines 517 523) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:06,143 INFO L444 ceAbstractionStarter]: At program point L418(lines 411 421) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:06,144 INFO L444 ceAbstractionStarter]: At program point L418-1(lines 411 421) the Hoare annotation is: false [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,144 INFO L444 ceAbstractionStarter]: At program point L418-2(lines 411 421) the Hoare annotation is: false [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352-1(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352-2(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,144 INFO L444 ceAbstractionStarter]: At program point L253(lines 249 255) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352-3(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352-4(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,144 INFO L448 ceAbstractionStarter]: For program point L352-5(lines 352 360) no Hoare annotation was computed. [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:06,145 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:06,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and .cse0 (= ~pumpRunning~0 0) .cse3)))) [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L323-1(lines 323 329) the Hoare annotation is: false [2018-12-31 09:51:06,146 INFO L451 ceAbstractionStarter]: At program point L290(lines 271 293) the Hoare annotation is: true [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L323-2(lines 323 329) the Hoare annotation is: false [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L159(lines 316 322) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L159-1(lines 316 322) the Hoare annotation is: false [2018-12-31 09:51:06,146 INFO L444 ceAbstractionStarter]: At program point L159-2(lines 316 322) the Hoare annotation is: false [2018-12-31 09:51:06,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427(lines 422 430) the Hoare annotation is: (let ((.cse3 (= 1 ~pumpRunning~0)) (.cse4 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) .cse3 .cse4) (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= ~pumpRunning~0 0) .cse2) .cse1) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 (and .cse0 .cse1 .cse2)))) [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427-1(lines 422 430) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= ~pumpRunning~0 0) .cse2)) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse0 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427-2(lines 422 430) the Hoare annotation is: false [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427-3(lines 422 430) the Hoare annotation is: false [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427-4(lines 422 430) the Hoare annotation is: false [2018-12-31 09:51:06,147 INFO L444 ceAbstractionStarter]: At program point L427-5(lines 422 430) the Hoare annotation is: false [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:06,148 INFO L448 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,149 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,149 INFO L448 ceAbstractionStarter]: For program point L299-2(line 299) no Hoare annotation was computed. [2018-12-31 09:51:06,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:06 BoogieIcfgContainer [2018-12-31 09:51:06,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:06,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:06,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:06,178 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:06,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:55" (3/4) ... [2018-12-31 09:51:06,183 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:06,221 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:06,222 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:51:06,224 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:51:06,225 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:06,226 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:06,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:06,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1)) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:06,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) [2018-12-31 09:51:06,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) [2018-12-31 09:51:06,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1) && 1 == pumpRunning) && 1 == \result) || ((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2)) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) [2018-12-31 09:51:06,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) [2018-12-31 09:51:06,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) && 1 == \result) [2018-12-31 09:51:06,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1)) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:06,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2) || ((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:06,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:06,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:06,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && systemActive == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:06,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:06,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:06,376 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:06,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:06,378 INFO L168 Benchmark]: Toolchain (without parser) took 13077.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 951.3 MB in the beginning and 818.7 MB in the end (delta: 132.6 MB). Peak memory consumption was 322.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,378 INFO L168 Benchmark]: CDTParser took 0.17 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 09:51:06,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 923.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,382 INFO L168 Benchmark]: Boogie Preprocessor took 98.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:51:06,382 INFO L168 Benchmark]: RCFGBuilder took 1749.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,382 INFO L168 Benchmark]: TraceAbstraction took 10218.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 834.7 MB in the end (delta: 196.6 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,384 INFO L168 Benchmark]: Witness Printer took 198.61 ms. Allocated memory is still 1.2 GB. Free memory was 834.7 MB in the beginning and 818.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:06,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 630.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 923.2 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 176.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1749.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10218.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 81.3 MB). Free memory was 1.0 GB in the beginning and 834.7 MB in the end (delta: 196.6 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. * Witness Printer took 198.61 ms. Allocated memory is still 1.2 GB. Free memory was 834.7 MB in the beginning and 818.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 299]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && systemActive == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1) && 1 == pumpRunning) && 1 == \result) || ((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2)) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && ((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2) || ((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1)) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1)) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) && 1 == \result) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && waterLevel <= 2) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (splverifierCounter == 0 && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || (waterLevel <= 2 && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. SAFE Result, 10.1s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 993 SDtfs, 986 SDslu, 1328 SDs, 0 SdLazy, 238 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=9, 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, 10 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 120 NumberOfFragments, 617 HoareAnnotationTreeSize, 49 FomulaSimplifications, 19958 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 49 FomulaSimplificationsInter, 10191 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27739 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...